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.Which statement correctly differentiates between heat capacity and specific heat capacity?
- A.Heat capacity is heat per unit mass; specific heat capacity is total heat for the body.
- B.Specific heat capacity is heat per unit mass per °C; heat capacity is total heat for the body per °C.
- C.Heat capacity and specific heat capacity are the same for all substances.
- D.Specific heat capacity depends on mass; heat capacity is independent of mass.
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2.A liquid of mass 100 g loses heat at a rate of 200 J s⁻¹ for 1 minute. If the temperature of liquid drops by 100°C, Calculate the specific heat capacity of the liquid.
- A.0.6 J g⁻¹ °C⁻¹
- B.1.2 J g⁻¹ °C⁻¹
- C.0.8 J g⁻¹ °C⁻¹
- D.1.6 J g⁻¹ °C⁻¹
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3.An electric heater of power 600 W raises the temperature of 4.0 kg of a liquid from 10.0°C to 15.0°C in 100 s. Calculate: (i) the heat capacity of 4.0 kg of liquid, and (ii) the specific heat capacity of liquid.
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4.200 g of hot water at 80°C is added to 300 g of cold water at 10°C. What is the final temperature of the mixture? Consider the heat taken by the container to be negligible. [Specific heat capacity of water is 4200 J kg⁻¹°C⁻¹].
- A.30°C
- B.38°C
- C.45°C
- D.50°C
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5.State the effect of the presence of an impurity on the melting point of ice and identify a practical application of this phenomenon.
- A.The melting point of ice increases; used in refrigeration to keep ice solid longer.
- B.The melting point of ice decreases; used to melt ice on roads by spreading salt.
- C.The melting point of ice remains unchanged; used to purify water by freezing.
- D.The melting point of ice fluctuates randomly; used in scientific experiments only.
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