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Chemistry

Chemistry
The number of hydrogen bonds between guanine and cytosine in DNA is

4
2
1
3

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Chemistry
The process of improving the quality of rubber by heating it with sulphur is called.

Vulcanization
Sulphonation
Galvanization
Acceleration

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Chemistry
Ozone consists of

Hydrogen and Carbon
Oxygen only
Oxygen and Carbon
Oxygen and Nitrogen

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Chemistry
The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is

functional group isomerism
positional isomerism
metamerism
chain isomerism

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Chemistry
Which of the following metals causes Itai-Itai disease ?

Cobalt
Chromium
Cadmium
Copper

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Chemistry
The gas used to dilute oxygen for breathing by deep sea divers is:

Neon
Argon
Helium
Nitrogen

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MORE MCQ ON Chemistry

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