Advertisements
Advertisements
Question
Identify A, B, C and D; first one is done for you.
Advertisements
Solution
(A) Latent heat of fusion: The latent heat of fusion is the amount of energy required to convert a solid to a liquid at atmospheric pressure and melting point.
(B) Latent heat of vaporization: The latent heat of vaporization is the heat energy necessary to convert a liquid to a gas at atmospheric pressure and boiling point.
(C) Latent heat of condensation: The latent heat of condensation is the amount of heat released when a gas is converted to a liquid at atmospheric pressure and boiling point.
(D) Latent heat of solidification: The latent heat of solidification is the heat energy released when a liquid transforms into a solid at atmospheric pressure and melting point.
APPEARS IN
RELATED QUESTIONS
Cleaning of water is a process of removing ______.
Give reason On opening a bottle of a cold drink, a fizz sound is heard.
Give balanced chemical equation for the reaction of water with Carbon dioxide.
Name the gas produced when steam is passed over hot coke.
Match the statements in column A with that in column B.
| Column A | Column B |
| (a) deliquescent substance | (1) sodium bicarbonate |
| (b) hygroscopic substance | (2) magnesium chloride |
| (c) efflorestance substance | (3) conc. sulphuric acid |
| (d) substance causing temporary hardness | (4) washing soda |
Give any three important uses of water.
Answer the following question:
Why is acid added to water before electrolysis ?
Why is it said that water is life?
Name or state the following:
A deliquescent salt of a trivalent metal.
Condensation results in the formation of dew on grass.
