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Chemistry

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

Na
Ag
S
P

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Chemistry
Nylon is made up of :

Polyamide
Polyethylene
Polyester
Polypropylene

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Chemistry
The gas produced in marshy places due to decomposition of vegetation is

Carbon dioxide
Carbon monoxide
Methane
Sulphur dioxide

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Chemistry
Limestone is a raw material used by which industry?

Cement
Aluminium
Petrochemicals
Fertilizers

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Chemistry
Oxygen has (+) oxidation number only in

OF2
N2O
C12O
H2O (2)

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Chemistry
The new strain of bacteria produced by biotechnology in alcohol industry is

Pseudomonas putida
Bacillus subtilis
Escherichia coli
Saccharomyces cerevisiae

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