The practice that does not come under green chemistry among the following is-

1.	Making use of soap made of vegetable oils instead of using synthetic detergents.
2.	Using H2O2 for bleaching purposes instead of using chlorine-based bleaching agents.
3.	Using bicycles for traveling small distances instead of using petrol/diesel based vehicles.
4.	Using plastic cans for neatly storing substances.

Which of the following conditions shows the polluted environment?

Choose the correct option
1. (a, b, c)
2. (b, c, d)
3. (c, d)
4. (a, b, d)

Phosphate-containing fertilizers cause water pollution. The addition of such compounds in water bodies causes-

Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

The acids present in acid rain are :

a.  Peroxyacetylnitrate

b.  H₂CO₃

c.  HNO₃ 

d.  H₂SO₄

Choose the correct option : 

1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

The consequences of global warming may be ______.

a. Increase in the average temperature of the earth

b. Melting of Himalayan Glaciers

c. Increased biochemical oxygen demand

d. Eutrophication

Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Given below are two statements: 

Given below are two statements: 

Given below are two statements: 

Given below are two statements: