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Chemistry

Chemistry
Litmus is obtained from

Lichen
A bacterium
An alga
A fungus

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Chemistry
Laughing gas is

Nitric oxide
Nitrous oxide
Nitrogen trioxide
Nitrogen pentoxide

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Chemistry
Which of the following does the Nucleus of an atom consist of?

Electrons
Protons
Protons and neutrons
Protons and electrons

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Chemistry
The major use of sulphur is in the manufacture of

SO2
H2S
H2SO4
Fungicide

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Chemistry
Which of the following metals has least melting point ?

Mercury
Gold
Silver
Copper

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Chemistry
Which of the following is used as anesthetic ?

NO2
NO
NH3
N2O

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MORE MCQ ON Chemistry

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