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Chemistry

Chemistry
The oil used in the froth floatation process is

kerosene oil
coconut oil
olive oil
pine oil

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Chemistry
The quality of petrol is expressed in terms of

Octane number
Cetane number
Added unlead compounds
Gold number

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Chemistry
By which organic compound all the oils are known ?

Protein
Hydrocarbon
Carbohydrate
Ester

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Chemistry
Physico-chemical characteristics of water in water sources undergo changes due to

Evapotranspiration
Effluents
Auatic fungi
Aquatic macrophytes

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Chemistry
The constituents of automobile exhaust that can cause cancer is/are :

Oxides of nitrogen
Lead
Carbon monoxide
Polycyclic hydrocarbons

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Chemistry
Ferrous sulphate is used in water treatment as a/an

Reducing agent
Oxidizing agent
Coagulant aid
Adsorbent

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MORE MCQ ON Chemistry

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