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Chemistry

Chemistry
German silver, an alloy, does not contain the metal

Silver
Zinc
Nickel
Copper

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Chemistry
Trinitrotoluene is

Used to fuse two metals
Used to melt metals
Used as an abrasive
Used as an explosive

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Chemistry
Conduction band electrons have more mobility than holes because they

Are lighter
Have negative charge
Need less energy to move them
Experience collision less frequently

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Chemistry
Which type of fire extinguisher is used for petroleum fire ?

Powder type
Foam type
None of these
Soda acid type

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Chemistry
Nucleus of an atom consists of.

Proton and Neutron
Proton
Neutron
Electron, Proton and Neutron

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Chemistry
Chloroform can be used as

Antibiotic
Anaesthetic
Antimalarial
Analgesic

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MORE MCQ ON Chemistry

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