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Chemistry

Chemistry
Which one of the following organic compounds has fruity smell?

Ester
Ether
Aldehyde
Alcohol

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Chemistry
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

All listed here
Silver Iodide
Sodium Chloride
Dry ice or frozen carbon dioxide

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Chemistry
Which mineral is the ore of aluminium ?

Haematite
Magnetite
Siderite
Bauxite

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Bauxite
Haematite
Chalcopyrites
Calamine

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Chemistry
The most reactive among the halogens is

Fluorine
Chlorine
Iodine
Bromine

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Chemistry
Inert gases are

Miscible with water
Not stable
Chemically very active
Chemically unreactive

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MORE MCQ ON Chemistry

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