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Chemistry

Chemistry
Of the following, which one pollutes the air of a big city ?

Cadmium
Chromium
Lead
Copper

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Chemistry
Which of the following is used in dating archaeological findings ?

92235U
13H
614C
818O

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Chemistry
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be

1 : 16 : 2
1 : 1 : 1
2 : 16 : 1
2 : 16 : 2

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Chemistry
Which of the following produces highest amount of energy upon oxidation?

An alkane
Glucose
Fat
Protein

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Chemistry
Iodine can be separated from a mixture of Iodine and Potassium Chloride by

Sublimation
Filtration
Sedimentation
Distillation

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Chemistry
Saline soil contains

Lot of moisture
None of these
Hard rocks
High concentration of salt

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MORE MCQ ON Chemistry

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