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1 / 30

Normal valency of nitrogen is

2 / 30

The term PVC used in the plastic industry stands for

3 / 30

Calcium sulphate is known as

4 / 30

Bring out the only correct statement in context with Uranium?

5 / 30

Nucleus of an atom contains

6 / 30

pH of blood is

7 / 30

Which one of the following is the softest?

8 / 30

The most extensive, commercially useful source of thorium as monazite sand occurs in India at

9 / 30

The alcohol used in the preparation of dynamite is

10 / 30

The concept of an electrolyte in water was described by

11 / 30

“Atoms can neither be created nor destroyed.” This principle was given by __?

12 / 30

Ruby is an oxide of

13 / 30

Human bone does not contain

14 / 30

Homo nuclear molecules contain

15 / 30

Which variety of glass is heat resistant?

16 / 30

Bleaching powder contains

17 / 30

The solute in a solution can be separated by

18 / 30

Aluminium oxide is a/an

19 / 30

Periodic table was given by

20 / 30

Which among the following is called Laughing Gas popularly?

21 / 30

pH of water is

22 / 30

Which substance is obtained by the hydrolysis of oil?

23 / 30

Oil of vitriol is

24 / 30

Bauxite is an ore of

25 / 30

Rare gases are

26 / 30

Epsom salt is chemically known as

27 / 30

Which synthetic fibre is known as artificial silk?

28 / 30

The isotope atoms differ in

29 / 30

2,4-D, which is sold as a weed killer of the broad-leaved weeds is a synthetic version of __:

30 / 30

The acid present in lemon is

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