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Chemistry

Chemistry
Which one is a sublime substance?

Table salt
Sugar
Potassium Iodide
Iodine

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Chemistry
Which of the following is the maximum number of electrons that can be present in M-shell?

32
8
2
18

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Chemistry
Photo-oxidation process is initiated by

Light
Heat
Oxygen
Catalyst

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Chemistry
The chemical name of rat poison is

Potassium cyanide
Zinc phosphide
Lead nitrate
Zinc oxide

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Chemistry
In an oxygen molecule, two atoms are united by

Four bonds
Three bonds
Two bonds
One bond

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Chemistry
A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed?

From pink to blue-green
From blue to pink
From brown to blue-black
From brown to orange-red

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MORE MCQ ON Chemistry

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