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Chemistry

Chemistry
Which of the following is a metallic ore ?

Feldspar
Quartz
Galena
Mica

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Chemistry
The anode of a dry cell is made up of

Iron
Lead
Cadmium
Zinc

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Chemistry
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is

10 gram of molecule
5 gram of molecule
0.5 gram of molecule
1 gram of molecule

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Chemistry
Lead in water can cause

Kidney damage
Hair falling
Eye disease
Arthritis

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Chemistry
The value of gas constant R in Ergs deg–1 mole–1 is

8.341 × 107
4.183 × 107
8.413 × 107
8.314 × 107

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Chemistry
Mercury is emitted into air by

Burning coal
Coal fire
Burning garbage
Steam engine

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MORE MCQ ON Chemistry

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