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Chemistry

Chemistry
Which of the following metals has least melting point ?

Mercury
Silver
Gold
Copper

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Chemistry
1 carat of diamond is equal to

200 g
200 mg
100 g
100 mg

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Chemistry
The National Chemical Laboratory (India) is located in

Mumbai
Hyderabad
Pune
Bangaluru

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Chemistry
Silk fibre chemically is :

Carbohydrate
Cellulose
Fat
Protein

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Chemistry
The major harmful gas emitted by automobile vehicles which causes air pollution is

Ozone gas
Carbon Monoxide
Methane
Carbon dioxide

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Chemistry
'Fire-fighting clothes' are made from

Mica
Talc
Asbestos
Steatite

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MORE MCQ ON Chemistry

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