Question : Heat stored in water vapour is:

Option 1: Specific heat

Option 2: Latent heat

Option 3: Absolute heat

Option 4: Relative heat

Question : Water is not suitable as a calorimetric substance because it:

Option 1: has high specific heat

Option 2: is a good conductor

Option 3: has high boiling water

Option 4: low latent heat of vapourisation

Question : When quick lime is added to water

Option 1: Heat is liberated

Option 2: Heat is absorbed

Option 3: Temperature decreases

Option 4: No heat change takes place

Question : 'Greenhouse effect' means

Option 1: Cultivation of crops in a greenhouse to conserve heat

Option 2: Trapping of solar energy due to carbon dioxide gases

Option 3: Trapping of solar energy by the Earth's upper surface

Option 4: Increase of heat due to atmospheric pollution

Question : Which of the following is a characteristic of an exothermic reaction:

Option 1: Release of heat

Option 2: Absorption of heat

Option 3: Doesn't involve any change in temperature

Option 4: None of the options is correct