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Chemistry

Chemistry
When Hydrogen starts burning in air, it produces ?

Methane
Water
Carbonic Acid
Ammonia

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Chemistry
Slag is a name given for

Molten sand
Molten iron
Molten alumina
Molten calcium silicate

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Chemistry
Which one of the following elements is an example of noble gas ?

Nitrogen
Helium
Chlorine
Hydrogen

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Chemistry
Bhopal gas tragedy is associated with leakage of

Nitrogen dioxide
Carbon dioxide
Methyl isocyanate
Sulphur dioxide

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Chemistry
The metal extracted from Bauxite is :

Silver
Aluminum
Copper
Manganese

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Chemistry
Which one of the following has a maximum tendency to form M3 ion ?

As
P
Bi
N

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