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Chemistry

Chemistry
Which of the following is used as anesthetic ?

N2O
NH3
NO2
NO

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Chemistry
The fundamental particles present in the nucleus of an atom are

Electron, proton
Neutron, electron
Proton, neutron
Neutron, positron

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Chemistry
Which of the following is the best fuel in terms of energy released per gram of fuel?

Ethanol
Butane
Hydrogen
Methane

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Chemistry
The gas liberated in the Bhopal gas tragedy was:

Pheynl isocynate
Methyl isocynate
Ethylene
Acetylene

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Chemistry
Which substance is used to retard the setting action of cement?

CaO
Na2O + K2O
Al2O3
CaSO4, 2H2O

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Chemistry
Browning of paper in old books is caused by

Frequent use
Lack of aeration
Collection of dust
Oxidation of cellulose

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MORE MCQ ON Chemistry

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