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Chemistry

Chemistry
Which of the following is an antidiabatic drug?

Aspirin
Insulin
Chloroquine
Penicillin

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Chemistry
Which of the following is used to increase the anti-knocking property of petrol ?

Tetraethyl lead
Triethyl lead
Tetramethyl lead
Trimethyl lead

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Chemistry
'Plaster of Paris' is made by partial dehydration of

Green vitriol
Gypsum salt
Epsom salt
Blue vitriol

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Chemistry
Diamond is lustrous because

It is pure
Its refractive index is high
It is colourless
It is hard

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Chemistry
Ozone saves the biosphere by absorbing high energy radiations called ________ .

Ultraviolet rays (UV)
Gamma rays
Infra-red (IR)
X–rays

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Chemistry
The metal used to recover copper from a solution of copper sulphate is

Hg
Fe
Ag
Na

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MORE MCQ ON Chemistry

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