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Chemistry

Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Zinc
Iron
Aluminium
Copper

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Chemistry
One of the following is used to dissolve noble metals. That is

Aqua ragia
Nitric acid
Sulphuric acid
Hydrochloric acid

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Chemistry
Which of the following metals occurs in free state ?

Iron
Zinc
Lead
Copper

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Chemistry
In the electroplating of gold, the electrolyte used is

Gold nitrate
Potassium aurocyanide
Gold chloride
Gold sulphate

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Chemistry
The buffer action of blood is due to the presence of

CI– and [CO3]2–
[HCO3]– and H2CO3
HCI and NaCI
CI– and [HCO3]–

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Chemistry
Which of the following has the highest lattice energy

CsF
NaF
RbF
KF

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MORE MCQ ON Chemistry

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