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Chemistry

Chemistry
Quartz is a crystalline form of

Silica
Limestone
Alumina
Glass

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Chemistry
The green colour seen in firework displays is due to the chloride salt of :

Calcium
Barium
Strontium
Sodium

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Chemistry
The most important ore of lead is

Pyrolusite
Magnetite
Galena
Siderite

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Chemistry
Which of the following type of coal has the lowest proportion of volatile matter ?

Lignite
Bituminous
Peat
Anthracite

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Chemistry
The tip of the match-stick contains

Phosphorus pentoxide
White phosphorus
Red phosphorus
Phosphorus trichloride

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Chemistry
Biofertilizers convert nitrogen to ________ .

Ammonia
Nitrates
Amino acids
Nitrogenase

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MORE MCQ ON Chemistry

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