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Chemistry

Chemistry
When formaldehyde and potassium hydroxide are heated, we get

Methane
Acetylene
Ethyl formate
Methyl alcohol

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Chemistry
Who is known as the 'father of modern chemistry'

John Dalton
Antoine Lavoisier
Democritus
Robert Boyle

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Chemistry
When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in

Absorption spectra
Emission spectra
Fluorescence
Raman spectra

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Chemistry
Natural rubber is the polymer of :

Butadiene
Styrene
Ethylene
Isoprene

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Chemistry
Earth’s atmosphere is an envelope of gases extending to a height of

100 km
150 km
300 km
200 km

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Chemistry
Which one of the following is not a ‘green house gas’ ?

Methane
Carbon dioxide
Nitrogen
Chlorofluorocarbons

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MORE MCQ ON Chemistry

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