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Chemistry

Chemistry
Which of the following is used as anesthetic ?

NO
NO2
N2O
NH3

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Chemistry
Catalyst is a substance which

Has no action on the rate of the reaction
None of these
Increases the rate of the reaction
Decreases the rate of reaction

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

Carbon
Oxygen
Hydrogen
None of these

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Chemistry
Atomic number of an atom gives the number of which of the following ?

Protons
Electrons
Neutrons
Neutrons and protons

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Chemistry
The temperature of oxy-acetylene flame is around

4000°C
3600°C
2800°C
3200°C

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Chemistry
Nitrogen forms a variety of compounds in all oxidation states ranging from

–3 to + 6
–3 to + 4
–3 to + 3
–3 to + 5

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MORE MCQ ON Chemistry

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