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Chemistry

Chemistry
A colloidal system in which a liquid is dispersed in a liquid is called

Sol
Gel
Emulsion
Precipitate

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Chemistry
Which of the following is the petroleum wax ?

Paraffin wax
Jojoba wax
Carnauba wax
Bees wax

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Chemistry
The first metal used by a man was

Silver
Brass
Copper
Bronze

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Chemistry
Terylene is a condensation polymer of ethylene glycol and which acid?

Benzoic Acid
Phthalic acid
Salicylic acid
Terephthalic acid

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Chemistry
The 'solid waste' is also known as

Scrubber
Sedge
Toxic waste
Sludge

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Chemistry
When a spoon is to be electroplated with nickel the spoon is

Made anode and a pure nickel rod, the cathode
Coated with nickel sulphate and dried
Made cathode and a pure nickel red, the anode
Dipped in a nickel sulphate solution

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