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Chemistry

Chemistry
The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3

2
zero
5
4

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

Sullage
Storm water
Domestic sewage
Refuse

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Chemistry
The element used in the manufacture of safety matches is

Silicon
Magnesium
Sulphur
Phosphorous

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Chemistry
Cement containing excess amount of lime

Becomes more strong
Is quick setting
Cracks during setting
Is slow setting

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Chemistry
Number of hydrogen atoms in a Glucose molecule

8
6
12
14

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Chemistry
Silver gets corroded due to ________ in air.

Hydrogen Sulphide
Nitrogen
Carbon dioxide
Oxygen

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