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Chemistry

Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Hydrogen
Carbon dioxide
Nitrogen
Oxygen

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Chemistry
Water gas is the combination of

CO2 and CO
CO2and H2
CO and H2O
CO and H2

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Chemistry
Sea weeds are important source of

Iodine
Bromine
Iron
Chlorine

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Chemistry
The process of removing calcium and magnesium from hard water is known as

Flocculation
Sedimentation
Filtration
Water softening

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Chemistry
What is the mass percentage of carbon in carbon dioxide (CO2)

0.201
0.273
0.158
0.323

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Chemistry
Nitrogen fixation is a process of

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

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MORE MCQ ON Chemistry

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