Question

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TUNCT 01 chlorine is
a) 17 b) 16 c) 18 d) 15
Fill in the blanks:
The S.I. unit of wavelength is
The colour of the planet Mars is
Bending of light ray when it passes from on
Dissolving sugar in water is not an exa
The chemical used in soften hard wate
Butter is an example for
the following:
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Answer 1

Atomic number of chlorine is 17.

The S.I. unit of wavelength is metre.

The colour of the planet Mars is Reddish.

Bending of light ray when it passes from one medium to another is refraction.

dissolving sugar in water is not an example for chemical reaction because it is an example of physical change.

The chemical used in soften hard water is calcium hydroxide.

Butter is an example for unsaturated fats.