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Chemistry

Chemistry
Total number of halogen elements found in the periodic table is

5
3
8
13

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

water equivalent
None of these
specific heat
thermal capacity

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Chemistry
The main component of liquid bleach is:

Sodium hypochlorate
Hydrochloric acid
Sodium chloride
Sodium hypochlorite

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Chemistry
The graphite rods in the nuclear reactor

undergo combustion which triggers the nuclear fission
convert fast moving neutrons into thermal neutrons
react with U to release energy
produce neutrons

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Chemistry
Detergents used for cleaning clothes and utensils contain

Bismuthates
Nitrates
Sulphonates
Bicarbonates

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Chemistry
The chemical formula of the laughing gas is

NO
N2O3
N2O
NO2

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