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.

Sample questions

1. 1.Calculate the total amount of heat energy required to convert 100 g of ice at −10°C completely into water at 100°C. Specific heat capacity of ice = 2·1 J g⁻¹ K⁻¹, specific heat capacity of water = 4·2 J g⁻¹ K⁻¹, specific latent heat of ice = 336 J g⁻¹.
2. 2.Why are hot water bottles particularly efficient for fomentation (heat therapy)?
   • A.Water boils at a high temperature, providing intense heat.
   • B.Water’s high specific heat capacity allows it to store and release large amounts of heat at moderate temperatures.
   • C.Water evaporates quickly, enhancing heat transfer to the skin.
   • D.Water’s low thermal conductivity ensures slow heat loss.
3. 3.What is the approximate value of the specific heat capacity of water in S.I. unit?
   • A.420 J kg⁻¹ K⁻¹
   • B.4200 J kg⁻¹ K⁻¹
   • C.42000 J kg⁻¹ K⁻¹
   • D.4.2 J kg⁻¹ K⁻¹
4. 4.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 J g⁻¹)
   • A.29.2 kJ
   • B.2.92 kJ
   • C.292 kJ
   • D.14.6 kJ
5. 5.The specific heat capacity of a substance is defined as the amount of heat required to:
   • A.change the temperature of 1 kg of the substance by 100°C.
   • B.change the temperature of unit mass of the substance by 1°C.
   • C.melt 1 kg of the substance without changing its temperature.
   • D.vaporize 1 kg of the substance at its boiling point.