Question

.
Ulass is all alloy ol copper and zinc. Tie
4. Antarctica is believed to be rich in minerals. True
5. Potash, phosphates and nitrates are minerals commonly used in making fertilisers.
6. India has large deposits of silver, lead, zinc and copper.
7. Natural gas is chiefly methane gas.
8. All nonconventional sources of energy are inexhaustible.
1. Choose the correct option.
1. Which of the following is a ferrous mineral?
(a) gold
(b) mica
(c) bauxite
Il manganese ore
2. Petroleurn is extracted by
(at drilling
(b) quarrying
(c) open-cast mining (d) shaft mining
3. Which of the following does India import?
(a) manganese
(b) copper
(c) iron ore
(d) bauxite
4. Which of the following is not a conventional source of power?
(a) coal
(b) running water (c) petroleum
(d) uranium
5. The most important coal-producing area is
D
B​

Answer 1

Answer:

At Ps, the rate of adsorption becomes ____ to the rate of desorption ..Answer is not 'twice'