ICSE Class 10 Heat — Mock Test (2027)
Free online mock test for Heat (ICSE Class 10 Physics) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Heat chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.A bucket contains $8 \mathrm{kg}$ of water at $25^{\circ}\mathrm{C}$. $2 \mathrm{kg}$ of water at $80^{\circ}\mathrm{C}$ is poured into it. Neglecting the heat absorbed by the bucket, calculate the final temperature of the water.
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2.A metal piece of mass 20 g is heated to a constant temperature of 100°C. Then it is added in a calorimeter of mass 50 g and specific heat capacity 0.42 J g⁻¹ K⁻¹, containing 50 g of water at 20°C. After stirring the water, the highest temperature recorded is 22°C. Calculate the specific heat capacity of metal. Specific heat capacity of water = 4.2 J g⁻¹ K⁻¹.
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3.Why does the atmosphere become pleasantly warm when lakes start freezing?
- A.Ice absorbs heat from the air
- B.Latent heat is released during freezing
- C.Water conducts heat better than ice
- D.The sun heats the ice directly
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4.How much boiling water at 100°C is needed to melt 2 kg of ice so that the mixture, which is all water, is at 0°C? Given: specific heat capacity of water = 4.2 J g⁻¹ K⁻¹, specific latent heat of ice = 336 J g⁻¹.
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5.Example 3: A vessel of heat capacity 80 J °C⁻¹ contains 250 g of water at 30°C. If 10000 J of heat energy is supplied to it, calculate the final temperature of the vessel and water. Specific heat capacity of water = 4.2 J g⁻¹ °C⁻¹.
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