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1 / 30

Aluminium oxide is a/an

2 / 30

Bleaching powder contains

3 / 30

The acid present in lemon is

4 / 30

Which one of the following is the softest?

5 / 30

The alloy of aluminium used for making magnet is

6 / 30

Identify the non-metallic mineral from the given options:

7 / 30

Rare gases are

8 / 30

Human bone does not contain

9 / 30

The isotope atoms differ in

10 / 30

Bauxite is an ore of

11 / 30

Which among the following is the correct decreasing of bio elements in Human Body?

12 / 30

Periodic table was given by

13 / 30

Washing soda is

14 / 30

Nucleus of an atom contains

15 / 30

Normal valency of nitrogen is

16 / 30

The element used in lead pencils is

17 / 30

White Phosphorous is represented by which among the following symbols?

18 / 30

Homo nuclear molecules contain

19 / 30

Which among the following happens in an oxidation reaction ?

20 / 30

The alcohol used in power alcohol is

21 / 30

The chemical used as a fixer in photography is

22 / 30

Radon is

23 / 30

For which one of the following is the density maximum?

24 / 30

Which one of the following gases is readily soluble in water at room temperature?

25 / 30

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

26 / 30

Which synthetic fibre is known as artificial silk?

27 / 30

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

28 / 30

pH of water is

29 / 30

The concept of an electrolyte in water was described by

30 / 30

The reaction between methane and chlorine in diffused sunlight is

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