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Chemistry

Chemistry
A detergent is a

Cleansing agent
Catalyst
Drug
Soap

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Chemistry
The function of skimming tank in sewage treatment is to remove

Suspended solids
Gritty substances
Inorganic substances
Oil and fatty substances

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Chemistry
The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is

metamerism
functional group isomerism
positional isomerism
chain isomerism

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Chemistry
Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives

Copper at cathode and oxygen at anode
Copper at anode and oxygen at cathode.
Hydrogen at cathode and oxygen at anode
Copper at cathode and anodes dissolve to give copper

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Chemistry
The filter over which sewage is sprinkled is called as

Trickling filter
Intermittent sand filter
Contact bed
Percolating filter

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Chemistry
Chemical composition of cement is

Limestone and Clay
Clay and Gypsum
Limestone, Clay and Gypsum
Limestone and Gypsum

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