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Chemistry

Chemistry
Forth floatation process to concentrate the minerals is applicable to

Chalcopyrites
Haematite
Bauxite
Calamine

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Chemistry
Iron filings can be separated from a heterogenous mixture using the technique of :

Evaporation
Sublimation
Sedimentation
Magnetization

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Chemistry
The oxidation number of nickel in K4[Ni(CN)4] is

–4
4
Zero
8

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Chemistry
Antacids are found in drugs that give relief to

Eye sight
Headache
Stomach ache
Acne

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Chemistry
Organic compounds are

Ionic compounds
Co-ordination compounds
Interstitial compounds
Covalent compounds

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Chemistry
Drinking soda is

Acidic
Alkaline
Neutral
Oxidant

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MORE MCQ ON Chemistry

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