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Chemistry

Chemistry
Which of the following is biodegradable ?

Aluminium
Paper
D.T.
Plastic

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Chemistry
If there is one million Mg2+ ions in MgCl2, how many chloride ions are there?

Ten million
Two million
Half a million
One million

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Chemistry
Bakelite is a co-polymer of Phenol and

Formaldehyde
Cinnaldehyde
Benzaldehyde
Acetaldehyde

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Chemistry
Who developed the model of atomic structure ?

Alfred Nobel
Bohr and Rutherford
Volta
Faraday

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Chemistry
Helium is added to the oxygen supply of deep sea divers because it is

Less poisonous than nitrogen
Lighter than nitrogen
Less soluble in blood than nitrogen at high pressure
Readily miscible with oxygen

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Chemistry
The liquid waste from kitchens and baths, of residences is known as :

Domestic sewage
Storm water
Refuse
Sullage

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MORE MCQ ON Chemistry

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