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Chemistry

Chemistry
Which of the following has least negative electron gain enthalpy

S
Cl
F
P

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Chemistry
The gas used in the manufacture of vanaspati from vegetable oil is

oxygen
carbon dioxide
nitrogen
hydrogen

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Chemistry
Which of the following metals is used in Space Crafts to withstand high temperatures ?

Ni
Ti
Pb
Fe

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Chemistry
The quality of petrol is expressed in terms of

Octane number
Cetane number
Gold number
Added unlead compounds

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Chemistry
Tear gas used by the police to disperse the mob contains

Chlorine
Carbon dioxide
Hydrogen sulphide
Ammonia

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Chemistry
The acid which is secreted by the glands in the stomach wall is

Sulphuric acid
Phosphoric acid
Nitric acid
Hydrochloric acid

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