Question

Write a letter to your friend telling him/her about ‘The Growing Habit of Eating Junk Food’ in about 150-200 words. Use the following hints: • Junk food and Fizzy food unhealthy • Parents also responsible for the habits in children • Causes many problems • Parents and teachers should persuade children to avoid them • New healthy recipes should be tried

Answer 1

Explanation:

17. Match the description (a) to (d) below with appropriate

term from the list A to H.

A Acidic oxide

B. Alkali

C. Amphoteric oxide

D. Basic oxide

E. Deliquescence

F. Efflorescence

G. Electrolysis

H. Electrolyte

(a) The property of spontaneously giving up water of

crystalisation to the atmosphere.

(b) A liquid or a solution which conducts electricity

with accompanying chemical change.

(c) A compound which is soluble in water and the only

negative ions in the solution are hydroxide ions.

(d) An oxide which forms salts when it reacts with both

acids and alkalis.