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Chemistry

Chemistry
Identify the metal which is non toxic in nature.

Chromium
Cobalt
Cadmium
Gold

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Chemistry
Number of6.023 × 1020 atoms present in one mole of a gas at STP is

6.023 × 1023
'6.023 × 10–20
'6.023 × 10–23
6.023 × 1020

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Chemistry
The pollutant responsible for ozone holes is ________

CFC
SO2
CO
CO2

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Chemistry
The heaviest naturally occurring element is:

Uranium
Polonium
Thorium
Mercury

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Chemistry
Sulphur dioxide level in the atmosphere can be reduced by using

Static electricity to attract it in factory chimneys
Low - sulphur fuels
Catalytic converters in industry
More efficient car engines

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Chemistry
Which of the following is an antidiabatic drug?

Aspirin
Chloroquine
Insulin
Penicillin

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