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Chemistry

Chemistry
Oxygen has (+) oxidation number only in

OF2
H2O (2)
C12O
N2O

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Chemistry
Which one is not a primary greenhouse gases in the Earth's atmosphere

Carbon dioxide
Ozone
Methane
Nitrogen

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Chemistry
Detergents used for cleaning clothes and utensils contain

Bismuthates
Nitrates
Bicarbonates
Sulphonates

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Chemistry
Hard steel contains

0.1 to 0.4 per cent carbon
2 to 5 per cent carbon
0.01 to 0.04 per cent carbon
0.5 to 1.5 per cent carbon

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Chemistry
In silvery paints, the main constituent present is

Silver powder
Aluminium powder
White lead
Lead powder

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Chemistry
The major harmful gas emitted by automobile vehicles which causes air pollution is

Carbon dioxide
Ozone gas
Carbon Monoxide
Methane

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MORE MCQ ON Chemistry

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