(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Write the approximate values of the specific latent heat of vaporization of steam.

The farmers fill their fields with water in winter. Give reason.

Why is specific heat capacity taken as a measure of thermal inertia?

Explain, why is water sprayed on roads in evening in hot summer?

Explain, why temperature in hot summer, falls sharply after a sharp shower?

Explain, why do sandy soils, get heated up quickly as compared to wet soils?

Explain, why water is considered as best liquid for quenching thirst?

Explain, Why is it advisabile to pour cold water over burns, caused on human body, by hot solids?

Explain, why does a wise farmer water his fields, if forecast is forst?

Specific heat capacity of substance A is 3.8 J g^-1 K^-1whereas the specific heat capacity of substance B is 0.4 J g^-1 K^-1. Which of the two is a good conductor of heat? How is one led to this conclusion?

If substances A and B are liquids then which one would be more useful in car radiators?
Given: Specific heat capacity’A’ 3.8 J/g /K. Specific heat capacity ‘B’ 0.4 J/g /K.

A certain amount of heat Q will warm 1 g of material X by 3°C and 1 g of material Y by 4°C. Which material has a higher specific heat capacity?

An equal quantity of heat is supplied to two substances A and B. The substance A shows a greater rise in temperature. What can you say about the heat capacity of A as compared to that of B?

Is it possible to condense the water formed, back to ice by adding ice at 0°C. Explain with reason.

Give two reasons as to why copper is preferred over other metals for making calorimeters.

Some heat is provided to a body to raise its temperature by 25°C. What will be the corresponding rise in temperature of the body as shown on the Kelvin scale?

If, in a central heating system, steam enters a radiation pipe at 100°C and water leaves the radiation pipe at 100°C, can this radiation pipe heat a room? Give an explanation for your answer.

Ice-cream at 0°C feels colder than water at 0°C. Give reason for this observation.

Write an expression for the heat energy liberated by a hot body.

1 kg of water freezes to form ice at 0°C. What amount of heat is withdrawn?