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Chemistry

Chemistry
Which of the following is an antidiabatic drug?

Chloroquine
Insulin
Aspirin
Penicillin

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Chemistry
The gas that usually causes explosions in coal mines is

Air
Methane
Carbon monoxide
Hydrogen

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Chemistry
Number of hydrogen atoms in a Glucose molecule

14
6
8
12

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Chemistry
Chemical properties of isotopes

Need not be different
Must be same
Must be different
Need not be same

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Chemistry
The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

x/6
7.2 x
5x
5x/36

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Chemistry
The increasing abundance of green house gases in atmosphere has led to the following effect except

Carbon dioxide ferilization effect
Oxygen fertilization effect
Global warming
Depletion of ozone layer in the stratosphere

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MORE MCQ ON Chemistry

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