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Chemistry

Chemistry
The hydronium ion is

H+
H2+
H3O+
HO -

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

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

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Chemistry
Which acid is used in Lead storage battery?

Nitric acid
Acetic acid
Hydrochloric acid
Sulphuric acid

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Chemistry
Which of the following molecules has a bond order of 2.5

HCL
NO
CO
F2

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Chemistry
The major constituent of gobar gas is

Carbon dioxide
Butane
Isobutane
Methane

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Chemistry
The oxidation number of nickel in K4[Ni(CN)4] is

–4
4
Zero
8

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