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Chemistry

Chemistry
The chemical name of rat poison is

Zinc oxide
Zinc phosphide
Lead nitrate
Potassium cyanide

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Chemistry
Muscle fatigue is caused by the accumulation of :

Oxalacetic acid
Uric acid
Lactic acid
Pyruvic acid

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Chemistry
Oxygen which is vital for life is a product of photosynthesis and comes from

Oxides of mineral elements
Water
Carbon dioxide
Carbonates from soil

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Chemistry
Galvanization of iron is carried out using

Zinc
Chromium
Copper
Tin

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Chemistry
Petroleum is a mixture of

Polymers
Salts
Elements
Hydrocarbons

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Chemistry
The mass of one Avogadro number of helium atom is

8.00 gram
1.00 gram
4 x 6.02 x 1023 gram
4.00 gram

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MORE MCQ ON Chemistry

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