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Chemistry

Chemistry
Natural rubber is the polymer of :

Ethylene
Isoprene
Butadiene
Styrene

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Chemistry
The nucleus of an atom consists of

All of these
protons and neutrons
electrons and protons
electrons and neutrons

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Chemistry
Vinegar made by fermentation from cane sugar contains

Palmitic acid
Acetic acid
Lactic acid
Citric acid

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Chemistry
The term 'brown air' is used for

Photochemical smog
Industrial smog
Acid fumes
Sulphurous smog

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Chemistry
'Plaster of Paris' is made by partial dehydration of

Epsom salt
Blue vitriol
Gypsum salt
Green vitriol

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Chemistry
Silica gel is a

Delicious food
Flavouring agent
Moisturizer
Drying agent

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MORE MCQ ON Chemistry

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