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Chemistry

Chemistry
The fiber least prone to catch fire is

Polyester
Terylene
Cotton
Nylon

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Chemistry
Chemical name of vinegar is

Formaldehyde
Ethanol
Acetic acid
Acetone

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Chemistry
Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

CO
All of these
CO2
O3

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

Carbonates from soil
Oxides of mineral elements
Carbon dioxide
Water

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Chemistry
Alcohol prepared by the distillation of wood is :

Ethyl alcohol
Glycerol
Methyl alcohol
Propyl alcohol

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Chemistry
What is the atomic number of mercury

63
41
80
32

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MORE MCQ ON Chemistry

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