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Chemistry

Chemistry
Which one of the following minerals is found in pure form?

Copper
Bauxite
Iron
Manganese

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Chemistry
The Fungus which is used in the alcohol industry is

Mushroom
Rhizopus
Yeast
Candida Aibicans

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Chemistry
________ is used for making vinegar.

Oxalic acid
Malic acid
Tartaric acid
Acetic acid

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Chemistry
Interveinal necrotic spots on leaves appear due to

SO2injury
HF injury
NO2injury
O3injury

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Chemistry
Major portion of the earth’s crust is mainly constituted by

Silicon and Aluminium
Oxygen and Silicon
Oxygen and Iron
Silicon and Iron

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Chemistry
The lowest layer of earth's atmosphere is

Troposphere
Mesosphere
Stratosphere
Ionosphere

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MORE MCQ ON Chemistry

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