Question

Heat given to a substance without raising its temperture

Answer 1

Answer:

Heat can be given to a substance without raising its temperature,When a substance is changing its physical state[for eg from solid to liquid and liquid to gas ]. The heat energy which has to be supplied to change the state of substance is called its Latent Heat. Latent heat does not raise the temperature

Answer 2

Answer:

isothermal heating or even expansion

Explanation:

Isothermal process are those process in which temperature doesnt change..... so both isothermal exapansion or heating can be done....Thus heat content of body may change without precise change in termperature levels