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Chemistry

Chemistry
Which of the toxic heavy metals is found in modern tannery industries ?

Nickel
Zinc
Chromium
Lead

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Chemistry
Wood spirit is

Methyl alcohol
Propyl alcohol
Ethyl alcohol
Butyl alcohol

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Chemistry
The number of waves in n x 10th Bohr's orbit are

n-2
n
n3
n2

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Chemistry
The gas involved in Bhopal incident was

Hydrogen sulphide
Nitrogen dioxide
Methyl isocyanide
Methyl chloride

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Chemistry
Magnalium is an alloy of

Aluminium and Zinc
Aluminium and Magnesium
Manganese and Magnesium
Magnesium and Tin

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Chemistry
Ozone layer is present in

Ionosphere
Troposphere
Stratosphere
Exosphere

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MORE MCQ ON Chemistry

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