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Chemistry

Chemistry
Which one is the most reactive gaseous element

Bromine
Flourine
Chlorine
Iodine

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Chemistry
It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of

SO2
Unburnt petrol
CO
CO2

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Chemistry
The heat required to raise the temperature of body by 1 K is called

None of these
specific heat
thermal capacity
water equivalent

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Chemistry
Which one of the following is most acidic

Na2O
CaO
MgO
Al22O3

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Chemistry
The source of energy that causes the least global warming is

Natural Gas
Petroleum
Coal
Geothermal energy

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Chemistry
Litmus is obtained from

A fungus
An alga
A bacterium
Lichen

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MORE MCQ ON Chemistry

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