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Chemistry

Chemistry
Which of the following will replace hydrogen from acids to form salts ?

P
S
Ag
Na

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

hydrogen
oxygen
nitrogen
carbon dioxide

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Chemistry
The basic chemical building block of natural rubber obtained from trees is

Isoprene
Vinyl Chloride
Neoprene
Acetylene

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Chemistry
London smog is found in

Winter during day time
Summer during morning time
Summer during day time
Winter during morning time

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Chemistry
An element of atomic no. 29 belongs to

S-block
D-block
P-block
F-block

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Chemistry
The gas which emits from rice field is

Ethane
Methane
All of these
Nitrogen

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MORE MCQ ON Chemistry

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