/6

Science Quiz (for 12 to 16 years old): Quiz 18

1 / 6

Which of the gas is not known as greenhouse gas?

2 / 6

Permanent hardness of water may be removed by the addition of

3 / 6

Potassium nitrate is used in

4 / 6

Soda water contains

5 / 6

Bromine is a

6 / 6

The hardest substance available on earth is

Your score is

0%

Next quiz

Please rate the quiz