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Chemistry

Chemistry
24 carat of diamond is equal to

91% gold
200 g
95% mg
200 mg

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Chemistry
The purest form of water is

Ground water
Rain water
Distilled water
Tap water

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Chemistry
Lead in water can cause

Eye disease
Kidney damage
Arthritis
Hair falling

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Chemistry
Which of the following is biodegradable ?

Plastic
Paper
D.T.
Aluminium

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Chemistry
The purest form of Iron is :

Pig iron
Cast iron
Steel
Wrought iron

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Chemistry
A pungent smell often present near the urinals is due to

Chlorine
Sulphur-di- oxide
Ammonia
Urea

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