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Chemistry

Chemistry
An electric iron has a heating element made of :

Zinc
Copper
Nichrome
Tungsten

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Chemistry
Mercury is a :

Solid non-metal
Solid metal
Liquid non-metal
Liquid metal

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Chemistry
The anode of a dry cell is made up of

Iron
Zinc
Cadmium
Lead

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Chemistry
Number of hydrogen atoms in a Glucose molecule

12
6
14
8

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Chemistry
Which of the following elements is found in all organic compounds

Oxygen
Nitrogen
Carbon
Calcium

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Chemistry
The percentage of oxygen in air is approximately

1
0.78
0.01
0.21

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MORE MCQ ON Chemistry

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