How it works Past papers Pricing

Sign in Join freeCreate account

Loading page

© 2026 Notely

Home Pricing Terms Privacy

Chemistry 9 Past Paper 2025 | Notely

HomePast papersChemistry 92025

All Chemistry 9 papers

Matric 9 · Past paper

Chemistry 9 past paper 2025

126 published questions in this index. The full practice view lets you work through them and track your own attempts.

36 MCQs90 written questionsPractise this paper

Question index

1
Chemical composition of earth, rocks and minerals are studied in:
MCQannualNature Of Science In Chemistry
2(ii)
Differentiate between empirical and molecular formula.
Part B3 marksannualNature Of Science In Chemistry
2(iv)
Briefly describe nuclear chemistry, environmental chemistry and astrochemistry.
Part B3 marksannualNature Of Science In Chemistry
2(xi)
Briefly describe analytical chemistry, medicinal chemistry and inorganic chemistry.

This is a skimmable index, not a replacement for the study surface. Open the practice view to answer questions and use the linked study material.

Part B3 marksannualNature Of Science In Chemistry

2(ii)

Briefly describe density and fluidity as properties of gas.

Part B1.5 marksannualMatter

2(iii)

Briefly describe compressibility and density as properties of solids.

Part B3 marksannualMatter

2(iv)

Predict the solubility of methanol in water, oil in benzene and sodium chloride in water.

Part B3 marksannualMatter

2(viii)

Describe colloids and suspension with one suitable example of each.

Part B3 marksannualMatter

2(viii)

What is meant by solution and percentage of solution?

Part B3 marksannualMatter

4

Which of the following list contains only elements?

MCQannualMatter

7

At a high peak water shall boil at:

MCQannualMatter

8

Amalgam used by dentist is an example of:

MCQannualMatter

11

10g sugar in 100g water is an example of:

MCQannualMatter

12

In which state of matter do particles have the least compressibility?

MCQannualMatter

12

In which state of matter do particles have the least compressibility?

MCQannualMatter

Q.3

Compare given properties of metals and non-metals: thermal conductivity, ductility and melting point.

Part C2 marksannualMatter

Q.3

State Charles’s law and verify from the given balloon data that it satisfies Charles law.

Part C2 marksannualMatter

Q.6

Compare colloid and suspension. Give one example of each.

Part C2 marksannualMatter

1

Identify the molecular ion:

MCQannualAtomic Structure

2

The isotope used to determine the path of carbon in photosynthesis is:

MCQannualAtomic Structure

2(i)

Briefly describe atomic mass, atomic number and atomic mass unit.

Part B3 marksannualAtomic Structure

2(ii)

Determine the number of protons and neutrons in 24/12 Mg, 25/12 Mg and 26/12 Mg.

Part B3 marksannualAtomic Structure

2(iii)

Determine the number of protons and neutrons in: (a) 12/6 C (b) 13/6 C (c) 14/6 C.

Part B3 marksannualAtomic Structure

2(iii)

Write electronic configuration of Na22, O16 and Si28.

Part B3 marksannualAtomic Structure

2(iii)

Compare shell and subshell.

Part B3 marksannualAtomic Structure

2(x)

What is meant by isotopes of an element? Give example of any element.

Part B2 marksannualAtomic Structure

2(xi)

What is meant by isotopes of an element? Give an example of any element.

Part B2 marksannualAtomic Structure

2(xi)

State duplet and octet rules.

Part B3 marksannualAtomic Structure

3

Predict the group and period of an element having electronic configuration of 3s2 3p4.

MCQannualAtomic Structure

6

Atomic number in 56/26 Fe is:

MCQannualAtomic Structure

6

Number of protons in 80/35 Br is:

MCQannualAtomic Structure

6

A charged ion formed by an element A having electronic configuration 1s2, 2s2, 2p6 is:

MCQannualAtomic Structure

Q.4

Draw the structure of the following isotopes from their mass number and atomic number: H3, Cl36, Cl35 and U238.

Part C1.5 marksannualAtomic Structure

2

Which element has greater atomic radius?

MCQannualPeriodic Table And Periodicity Of Properties

2

Moving left to right in a period ______ decreases in periodic table.

MCQannualPeriodic Table And Periodicity Of Properties

2(ii)

Give any two displacement reactions of halogens.

Part B1.5 marksannualPeriodic Table And Periodicity Of Properties

2(ii)

Give any two displacement reactions of halogens.

Part B1.5 marksannualPeriodic Table And Periodicity Of Properties

2(iv)

How do atomic size, ionization energy and electronegativity vary down the group?

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(v)

Demarcate the modern periodic table into s and p block. Which law determines this demarcation?

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(vi)

Enlist any three characteristics of transition elements.

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(vi)

Enlist any three uses of transition elements.

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(vi)

Recognize and justify the presence of more similar chemical properties among Li, Na, K and Li, C, F.

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(vii)

Identify the group of given elements by electronic configuration: 39/19 K, 16/8 O, 20/10 Ne.

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(vii)

Identify the period number of Li, B and Ne by their electronic configuration.

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(vii)

Briefly explain the difference in ionization energies of alkali and alkaline earth metals.

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(vii)

Differentiate between period and group in the periodic table.

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(x)

Illustrate the inertness of noble metals.

Part B3 marksannualPeriodic Table And Periodicity Of Properties

2(xi)

Give any three properties of calcium metal.

Part B3 marksannualPeriodic Table And Periodicity Of Properties

8

The given element belongs to group: 35/17 Cl: 1s2, 2s2, 2p6, 3s2, 3p5.

MCQannualPeriodic Table And Periodicity Of Properties

8

The given element belongs to which period? 23/11 Na: 1s2, 2s2, 2p6, 3s1.

MCQannualPeriodic Table And Periodicity Of Properties

Q.3

Briefly describe ionization energy and electron affinity along with their trends in groups and periods.

Part C3 marksannualPeriodic Table And Periodicity Of Properties

2(ix)

Draw electron cross-dot structures of N2, Cl4 and O2.

Part B3 marksannualChemical Bonding

2(x)

How elements attain stability? Explain briefly.

Part B3 marksannualChemical Bonding

3

In the formation of NaCl, Sodium atom loses ______ electrons.

MCQannualChemical Bonding

3

Identify the covalent compound:

MCQannualChemical Bonding

12

Recognize the ionic bond:

MCQannualChemical Bonding

Q.3

Draw electron dot and cross structures for NH3, N2 and CH4.

Part C2 marksannualChemical Bonding

Q.3

Draw electron dot and cross structures for HCN, Cl2 and CO2.

Part C2 marksannualChemical Bonding

Q.5

Analyze the bond formation between magnesium (Mg) and fluorine (F).

Part C4 marksannualChemical Bonding

Q.6

Describe the formation of double and triple covalent bonds.

Part C2 marksannualChemical Bonding

1

Measuring the concentration of a particular solution through titration is related with:

MCQannualStoichiometery

2(ii)

Calculate the molecular mass of ozone if 9.05 moles of ozone is formed in storm.

Part B3 marksannualStoichiometery

2(v)

A flask contains 0.25 M NaOH solution. What mass of NaOH is present per dm3 of solution?

Part B3 marksannualStoichiometery

2(x)

Find the molar mass of MgO. Also find the number of moles in 80g sample.

Part B1 marksannualStoichiometery

2(x)

Determine the molar mass of CO2. Also determine mass of 0.25 moles of CO2.

Part B1 marksannualStoichiometery

5

Number of molecules in two moles of water is:

MCQannualStoichiometery

7

Mass of 4 moles of hydrogen gas (H2) is:

MCQannualStoichiometery

7

Number of moles in 64g Oxygen (O2) is:

MCQannualStoichiometery

10

The value of Avogadro’s number is:

MCQannualStoichiometery

Q.3

What is meant by molarity? Calculate molarity of Ca(OH)2 solution prepared by dissolving 5.2 mg of Ca(OH)2 to a total volume of 1 dm3.

Part C2 marksannualStoichiometery

Q.5

What is the relationship between Avogadro’s number and mole? Also write symbol and value of Avogadro’s number.

Part C2 marksannualStoichiometery

Q.5

Describe molecular formula and empirical formula with two examples of each.

Part C2 marksannualStoichiometery

2(i)

State any three rules for assigning oxidation numbers to free elements, ions, atoms and molecules.

Part B3 marksannualElectrochemistry

2(iii)

Identify the oxidizing and reducing agents in H2S + Cl2 → S + 2HCl.

Part B3 marksannualElectrochemistry

2(iii)

Identify the oxidizing and reducing agents in 2KI + Cl2 → 2KCl + I2.

Part B3 marksannualElectrochemistry

2(vi)

Sketch a Daniel cell, labelling cathode, anode and direction of flow of electron along with reactions at electrodes.

Part B3 marksannualElectrochemistry

5

The oxidation number of Al3+ is:

MCQannualElectrochemistry

5

The oxidation number of Ca2+ is:

MCQannualElectrochemistry

9

Oxidation state of Mn in MnO4- is:

MCQannualElectrochemistry

Q.4

Enlist the possible uses of electrolytic cell.

Part C6 marksannualElectrochemistry

Q.5

What is corrosion? Write its chemical reaction. Describe any one method to prevent corrosion.

Part C1 marksannualElectrochemistry

Q.5

Explain sacrificial protection and galvanizing as methods of prevention of corrosion.

Part C2.5 marksannualElectrochemistry

Q.5

Explain electroplating of zinc (Zn) and tin (Sn) on steel.

Part C2 marksannualElectrochemistry

Q.6

Describe the manufacturing of sodium metal form fused NaCl.

Part C4 marksannualElectrochemistry

2(iv)

What are exothermic reactions? Give an example of an exothermic chemical reaction.

Part B1 marksannualEnergetics

2(x)

Draw a labeled general pathway sketch of an uncatalyzed exothermic reaction.

Part B3 marksannualEnergetics

2(xi)

Calculate the enthalpy for H2(g) + I2(g) → 2HI(g), using H–H=436 kJ/mol, I–I=151 kJ/mol and H–I=299 kJ/mol.

Part B3 marksannualEnergetics

2(xi)

What are endothermic reactions? Give an example of an endothermic chemical reaction.

Part B1 marksannualEnergetics

2(ix)

How a closed system may contribute to the establishment of equilibrium in reversible reactions? Give one example.

Part B1 marksannualChemical Equilibrium

2(ix)

Write three conditions required for chemical equilibrium.

Part B3 marksannualChemical Equilibrium

2(vi)

What is meant by NPK fertilizers? Why are these fertilizers used?

Part B2 marksannualChemical Equilibrium

2(vi)

What is meant by NPK fertilizers? Why are these fertilizers used?

Part B2 marksannualChemical Equilibrium

2(viii)

Write three conditions required for chemical equilibrium.

Part B3 marksannualChemical Equilibrium

2(viii)

What is a reversible chemical reaction? Give one example.

Part B1.5 marksannualChemical Equilibrium

2(i)

What is meant by strong acid? Give one example with equation.

Part B1 marksannualAcids, Bases, And Salts

2(i)

What is a strong base? Write equation that represents dissociation of NaOH in water.

Part B1 marksannualAcids, Bases, And Salts

2(iv)

Write reaction of any one metal oxide with water (H2O). Identify the nature of the product.

Part B2 marksannualAcids, Bases, And Salts

2(ix)

What is Bronsted Lowry acid? Give one reaction as example.

Part B1 marksannualAcids, Bases, And Salts

Q.4

Give balanced reactions of HCl with Zn, Na2CO3 and NaOH.

Part C2 marksannualAcids, Bases, And Salts

Q.4

Write balanced chemical reactions of NaOH with HCl, NH4Cl and H2SO4.

Part C2 marksannualAcids, Bases, And Salts

2(iv)

How do carbon monoxide and sulfur dioxide air pollutants cause harm?

Part B3 marksannualEnvironmental Chemistry-air

2(ix)

How do carbon monoxide and methane air pollutants cause harm?

Part B3 marksannualEnvironmental Chemistry-air

9

Identify the compound that is unsaturated:

MCQannualEnvironmental Chemistry-air

11

Which acid disintegrates marble buildings by forming acid rain?

MCQannualEnvironmental Chemistry-air

11

Which acid disintegrates marble buildings by forming acid rain?

MCQannualEnvironmental Chemistry-air

2(v)

Suggest any three measures to control water scarcity problem in Pakistan.

Part B1 marksannualEnvironmental Chemistry-water

2(v)

Briefly state any three causes of water scarcity in Pakistan.

Part B3 marksannualEnvironmental Chemistry-water

2(i)

Draw structural formula of methanol and methanoic acid.

Part B1.5 marksannualOrganic Chemistry

2(i)

Draw structural formula of methanoic acid and propane.

Part B1.5 marksannualOrganic Chemistry

2(ix)

Briefly explain any two allotropic forms of carbon.

Part B3 marksannualOrganic Chemistry

2(vii)

Write general formulas of alkene, alkyne and alcohol. Also give one example of each.

Part B3 marksannualOrganic Chemistry

2(vii)

Write general formula of alkene, carboxylic acid and alkane. Give an example of each.

Part B1.5 marksannualOrganic Chemistry

10

General formula of carboxylic acid is:

MCQannualOrganic Chemistry

10

General formula of alcohol is:

MCQannualOrganic Chemistry

Q.6

What is meant by allotropy? Discuss any two allotropes of carbon.

Part C1 marksannualOrganic Chemistry

2(v)

Give chemical reactions of alkanes for complete combustion and incomplete combustion.

Part B1.5 marksannualHydrocarbons

2(v)

Write the reactions of CH4 with Cl2 in diffused sunlight/UV light and in direct sunlight.

Part B1.5 marksannualHydrocarbons

4

Correct temperature required to break larger hydrocarbon into smaller hydrocarbons is:

MCQannualHydrocarbons

4

Correct reagent for the hydrogenation of alkenes and alkynes is:

MCQannualHydrocarbons

9

Identify the unsaturated hydrocarbon:

MCQannualHydrocarbons

Q.4

How can alkanes be prepared by hydrogenation of alkynes and alkyl halides? Give a balanced equation for each.

Part C3 marksannualHydrocarbons

Q.4

Explain preparation of alkanes by hydrogenation of alkenes and cracking of larger hydrocarbons.

Part C3 marksannualHydrocarbons

2(viii)

What are carbohydrates? Give any two examples.

Part B3 marksannualBiochemistry

2(viii)

What are lipids? Enlist any two sources of lipids.

Part B2 marksannualBiochemistry

Q.6

What is meant by lipids and proteins? Write two sources of each.

Part C2 marksannualBiochemistry

Q.6

What are carbohydrates and proteins? Write two sources of each.

Part C2 marksannualBiochemistry