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Chemistry

Chemistry
Iron is extracted from

Cinnabar
Bauxite
Haematite
Dolomite

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Chemistry
Silver gets corroded due to ________ in air.

Carbon dioxide
Oxygen
Hydrogen Sulphide
Nitrogen

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Chemistry
Which one of the following is a micro-element ?

Oxygen
Hydrogen
Chlorine
Nitrogen

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Chemistry
Chemical formula of washing soda is

Na2CO3.10H2O
Ca(OH)2
NaHCO3
Na2SO4.10H2O

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Chemistry
The Fungus which is used in the alcohol industry is

Candida Aibicans
Yeast
Mushroom
Rhizopus

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Chemistry
Organic compounds are

Covalent compounds
Co-ordination compounds
Interstitial compounds
Ionic compounds

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MORE MCQ ON Chemistry

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