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Chemistry

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

Gypsum salt
Epsom salt
Blue vitriol
Green vitriol

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Chemistry
What are the major pollutants of cigarette smoke?

Carbon monoxide and benzene
Carbon monoxide and dioxin
Carbon monoxide and nicotine
Dioxin and benzene

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Chemistry
Name two elements that find wide application in transistor industry

Iridium and Germanium
Carbon and Platinum
Silicon and Germanium
Tungsten and Platinum

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Chemistry
The major constituent of gobar gas is

Methane
Butane
Isobutane
Carbon dioxide

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Chemistry
Wax used for making candle is chemically a mixture of

Aliphatic and aromatic hydrocarbons
Aromatic hydrocarbons
Aliphatic hydrocarbons
Cyclic hydrocarbons

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Chemistry
The heat value of combustion of Gasoline is

14600 kJ/kg
12600 kJ/kg
39400 kJ/kg
47000 kJ/kg

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MORE MCQ ON Chemistry

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