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Chemistry

Chemistry
Silica gel is a

Delicious food
Drying agent
Moisturizer
Flavouring agent

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Chemistry
What is a Bakelite ?

Polymer
Base
Acid
Solution

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Chemistry
High concentration hydrocarbon pollutants in atmospheric air causes

Respiratory diseases (e.g.asthma)
Silicosis
Reduced crop yield
Cancer

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Chemistry
Which of the following contains high content of lead?

Cooking gas
Coal
Low octane fuel
High octane fuel

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Chemistry
Which of the following is not a natural source of hydrocarbon?

Mica
Petroleum
Coal
Natural Gas

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

Epsom salt
Green vitriol
Gypsum salt
Blue vitriol

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