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Chemistry

Chemistry
The gas which is mainly responsible for the green house effect is:

Ozone
Carbon dioxide
Carbon monoxide
Oxygen

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Chemistry
Muddy water is treated with alum in purification process, itis termed as :

Emulsification
Adsorption
Absorption
Coagulation

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Chemistry
Which one of the following does not contain Silver ?

Lunar Caustic
German Silver
Ruby Silver
Horn Silver

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Chemistry
Silver nitrate solution is kept in brown bottles in laboratory because

Brown bottles do not react with it
Brown bottles stops the passage of light through it
Brown bottles react with it
It reacts with ordinary white bottles

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Chemistry
Which one of the following is known as the 'brown coal'?

Bituminous
Coke
Lignite
Anthracite

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Chemistry
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is

3.05 gram
4.05 gram
2.05 gram
5.05 gram

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