Calorimetry

Appeared in 11 of the 11 available papers.

Examined in

11 of 11 papers

Appears almost every year — treat as core

Typically worth

12.3 marks

Average per paper it appears in · 135 marks in total

Usual form

Short answer

43% of this chapter's 86 questions

Needs a diagram

10%

9 questions carry a figure — practise drawing them

Question-type distribution

Short answer37
Numerical16
MCQ11
Reasoning8
Diagram5
Definition3
Identification2
Fill in the blank2

Most frequent topics

Heat and calorimetry 47Principle of calorimetry 3Specific latent heat 3Specific heat capacity 2Choice of calorimeter material 2Latent heat of fusion 2Heat capacity 2Nuclear physics / radioactivity 1

Print:Questions only Questions + answers Answers only

Print chapter question bank

Showing 25 of 86 matching questions (135 marks).

25 questions

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

1(xi)2026

MCQEasy1 mark

A metallic wire is stretched in such a way that its new length becomes twice the original length. How does its specific heat capacity change? (a) becomes double (b) becomes 4 times (c) becomes 1⁄4 times (d) remains the same

1(xiv)2026

MCQEasy1 mark

Three substances A, B and C of same mass are present at their respective melting points. On heating, if they melt completely in 5 minutes, 7 minutes and 3 minutes respectively, then which substance has the highest specific latent heat? (Assume heat is absorbed at the same rate) (a) Substance A (b) Substance B (c) Substance C (d) All the substances have same specific latent heat

2(i)

Complete the following by choosing the correct answers from the bracket:

Fill in the blankEasy1 mark

The lid of a calorimeter minimises heat loss by ............... [convection / radiation].

3(iv)2026

NumericalModerate2 marks

A metal piece of thermal capacity 40 JK-1, absorbs 800 J of heat. Calculate the rise in the temperature of this metal piece.

5(ii)(a)2026

True/FalseEasy1 mark

Atmospheric temperature after a hailstorm is greater than the temperature during the hailstorm. State True or False.

5(ii)(b)2026

Short answerEasy1 mark

Which thermal physical quantity of a frying pan changes by making its base heavier?

Short answerEasy1 mark

State the principle of Calorimetry.

5(iii)

The given graph represents the cooling curve of a liquid.

5(iii)(a)2026

Short answerEasy1 mark

State the freezing temperature of the liquid.

5(iii)(b)2026

IdentificationEasy1 mark

Name the phase change happening at the region QR.

ReasoningModerate2 marks

In which state (solid / liquid) does the above substance liberate heat at a faster rate? Justify.

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

1(x)2025

MCQEasy1 mark

A metal piece of mass 5 g has thermal capacity 2.5 J K⁻¹. If the mass of the metal is tripled, then its specific heat capacity will be : (a) 7.5 J K⁻¹ (b) 2.5 J K⁻¹ (c) 1.5 J g⁻¹ K⁻¹ (d) 0.5 J g⁻¹ K⁻¹

1(xiv)2025

MCQEasy1 mark

Each of the substances given below is supplied with same amount of heat. Which one will attain the highest temperature? (a) Aluminium (b) Copper (c) Iron (d) Lead

2(i)

Complete the following by choosing the correct answers from the bracket:

Fill in the blankEasy1 mark

Heat absorbed during change of phase depends on ............... [mass/change in temperature/specific heat capacity] of the substance.

3(iv)2025

NumericalModerate2 marks

Calculate the amount of heat absorbed by 200 g of paraffin wax to melt completely at its melting point. [Specific latent heat of fusion of paraffin wax = 146 Jg⁻¹]

9(i)2025

NumericalModerate3 marks

30 g of ice at 0°C is used to bring down the temperature of a certain mass of water at 70°C to 20°C. Find the mass of water. [Specific heat capacity of water = 4.2 J g⁻¹ °C⁻¹ and specific latent heat of ice = 336 J g⁻¹]

9(ii)(a)2025

Short answerEasy1 mark

A certain amount of heat will warm 1 g of material X by 10°C and 1 g of material Y by 40°C. Which material has higher specific heat capacity?

9(ii)(b)2025

Short answerEasy1 mark

Which material, X or Y, would you select to make a calorimeter?

True/FalseEasy1 mark

The specific heat capacity of a substance remains the same when it changes its state from solid to liquid. State True or False.

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

1(xi)2024

MCQEasy1 mark

During melting of ice at 0°C the : (a) energy is released and temperature remains constant. (b) energy is absorbed and temperature remains constant. (c) energy is released and temperature decreases. (d) energy is absorbed and temperature increases.

1(xiv)2024

MCQEasy1 mark

The graph given below shows heat energy supplied against change in temperature when no energy is lost to the surrounding. The slope of this graph will give : (a) Specific heat capacity (b) Latent heat of fusion (c) Latent heat of vaporization (d) Heat capacity

3(iv)2024

NumericalModerate2 marks

How much heat is required to convert 500 g of ice at 0°C to water at 0°C? The latent heat of fusion of ice is 330 J g⁻¹.

9(i)(a)2024

NumericalModerate3 marks

85 g of water at 30°C is cooled to 5°C by adding certain mass of ice. Find the mass of ice required. [Specific heat capacity of water = 4.2 J g⁻¹ °C⁻¹, Specific latent heat of fusion = 336 J g⁻¹]

9(ii)(a)2024

ReasoningModerate1 mark

Why does it become pleasantly warm when the lakes start freezing?

9(ii)(b)2024

Short answerEasy1 mark

Water freezes to form ice. What change would you expect in the average kinetic energy of the molecules?

IdentificationEasy1 mark

Which will contain more heat energy: 1 g of ice at 0°C or 1 g of water at 0°C?