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Chemistry

Chemistry
In a Carbonyl group a carbon atom makes double bond with

Oxygen
Carbon
Hydrogen
None of these

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Chemistry
When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to

N2O
SO2
SO3
NO2

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

P
Bi
As
N

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Chemistry
The chemical used for cloud seeding for artificial rains is

Silver Iodide
Silver Nitrate
Potassium Bromide
Potassium Nitrate

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Chemistry
Nucleus of an atom consists of.

Electron, Proton and Neutron
Proton and Neutron
Neutron
Proton

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Chemistry
Food cans are coated with tin and not with zinc because

Zinc is more reactive than tin
Zinc is less reactive than tin
Zinc is costlier than tin
Zinc has a higher melting point than tin

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