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Chemistry

Chemistry
The percentage of nitrogen present in ammonium sulphate is :

0.305
0.27
0.25
0.18

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Chemistry
Which one is heaviest naturally-occurring element of the periodic element

Uranium
Thorium
Rhodium
Iron

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Chemistry
Which of the following is not a chemical reaction'?

Digestion of food
Burning of coal
Burning of paper
Conversion of water into steam

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Chemistry
The elements in the modern Periodic table are arranged according to their

Atomic Weight
Atomic number
Neutron number
Mass number

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Chemistry
Quartz is a crystalline form of

Silica
Limestone
Alumina
Glass

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Chemistry
Hard water and soft water can be distinguished by using

Detergent
Dilute acid
Liquid soap
Ordinary soap

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MORE MCQ ON Chemistry

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