Which of the following, when mixed would raise the temeprature of 20 g of water at `30^@C` most?

Which one of the following would raise the temperature of 20 g of water at 30^(@)C most when mixed with? (Specific heat of water is 1cal//g-.^(@)C )

Which one of the following would raise the temperature of 20 g of water at 30^(@)C most when mixed with? (Specific heat of water is 1cal//g-.^(@)C )

Which one of the following would reaise the temperature of 40 g of water at 20^(@) C most when mixed with?

10 Calories of heat would raise the temperature of 2 g of water by

Which of the following fishes is most commonly raised by pisciculture ?

Calculate the heat of combustion of coal when 10 g of coal on burning raises the temperature of 2 litres of water from 20^@C to 55^@C .

How much heat to be supplied to raise the temperature of 100 g water from 20^(@)C to the normal boilling point of water ?

When 10 g of coal is burnt, it raises the temperature of 2 litres of water from 20^(@)C to 55^(@)C . Calculate the heat of combustion of fuel.