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
Why is water very precious for all living being ?
Give one word for the following statement:
The harmful substances dissolved in water .
Answer the following question:
Name two gases dissolved in natural water.
Fill in the blank:
The type of water softened by addition of washing soda is ______.
Define ‘eutrophication’.
Select the correct word from the words in option to complete the sentence:
Dissolved air in water contains a ____ percentage of oxygen than ordinary air.
Water is colourless, odourless and _______.
A jumbled word is given here. Write the correct form of the word.
CHARREGE
Match the items of Column I with the items of Column II with reference to sewage.
| Column I | Column II | ||
| (a) | Inorganic impurities | (i) | phosphorus and nitrogen |
| (b) | Organic impurities | (ii) | nitrates and phosphates |
| (c) | Nutrients | (iii) | cholera and typhoid |
| (d) | Bacteria | (iv) | pesticides and herbicides |
What is saltwater?
