i) Name a gas caused by the Greenhouse effect.
ii) Which property of water makes it an effective coolant?i) Carbon-di-oxide
ii) High specific heat capacity.
Define the term ‘Heat Capacity’ and state its S.I. unit.
What is meant by Global warming?
i) It is observed that the temperature of the surroundings starts falling when the ice in a frozen lake starts melting. Give a reason for the observation.
ii) How is the heat capacity of the body related to its specific heat capacity?Specific Heat Capacity of substance A is 3.8 J g-1 K-1 whereas the specific heat capacity of substance B is 0.4 J g-1 K T-1.
i) Which of the two is a good conductor of heat?
ii) How is one led to the above conclusion?
iii) If substances A and B are liquids then which one would be more useful in car radiators?
Mock Test Series
