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Chemistry

Chemistry
What is the covalency of nitrogen in ammonia molecule

2
3
5
4

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Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O-2
O+2
O2
O-22

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

As
Bi
N
P

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Chemistry
The nucleus of an atom consists of

All of these
electrons and neutrons
electrons and protons
protons and neutrons

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Chemistry
What is the most common salt in sea water ?

Calcium carbonate
Magnesium sulphate
Potassium chloride
Sodium chloride

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Chemistry
The major component in the LPG is

Ethane
Butane
Propane
Methane

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MORE MCQ ON Chemistry

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