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Chemistry

Chemistry
Vinegar made by fermentation from cane sugar contains

Acetic acid
Citric acid
Lactic acid
Palmitic acid

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Chemistry
Atoms of same element having different mass numbers are called________

Isotones
Isobars
Isotopes
Isomers

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Chemistry
Denatured spirit is ethanol mixed with

Kerosene
Water
Petrol
Pyridine

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Chemistry
Acid rain is caused due to pollution of atmosphere by

Oxides of nitrogen and sulphur
Oxides of nitrogen and phosphorous
None of these
Oxides of carbon and nitrogen

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Chemistry
The graphite rods in the nuclear reactor

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

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Chemistry
PVC is obtained by the polymerisation of

Propane
Vinyl chloride
Styrene
Acetylene

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