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Chemistry

Chemistry
Commercially, sodium bicarbonate is known as

Bleaching powder
Washing soda
Baking soda
Soda ash

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Chemistry
Cement containing excess amount of lime

Cracks during setting
Becomes more strong
Is slow setting
Is quick setting

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Chemistry
Nitrogen fixation is a process of

Conversion of organic nitrogen to proteins
Assimilation of nitrate
Utilisation of nitrogen gas
Conversion of molecular nitrogen to ammonia

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Chemistry
Major gaseous pollutant of the thermal power station is

H2 S
SO2
NO2
NH3

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Chemistry
Lead pencil contains

Ferrous sulphide
Graphite
Lead sulphide
Lead

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Chemistry
The weight of 6.023 × 1022 atoms of carbon is

1.2 gms
0.12 gms
120 gms
12 gms

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MORE MCQ ON Chemistry

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