The quantity of thermal energy generated from full combustion of 1 kg of fuel is called-
Calorific value
Calorific value is correct.
The calorific value of a fuel is the amount of heat energy produced when 1 kg of the fuel burns completely in air. It is measured in kilojoules per kilogram (kJ/kg).
A higher calorific value means a better fuel. For example, LPG has a calorific value of about 55,000 kJ/kg, while cow-dung cakes give only about 6,000 to 8,000 kJ/kg, and hydrogen has one of the highest values of all fuels.
Which of the following is a greenhouse gas?
I. Methane
II. Nitrous oxide
Which one of the following is used in soda-acid fire extinguishers?
The separation of two immiscible liquids can be done based on the difference in their_______.
Orange juice contains ______ acid due to which it tastes sour.
Impure water can be made pure