Metal And Its Compounds - Study Mode

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[#146] Which of the following can be beaten into thin sheets?

(A) nitrogen

(B) oxygen

(C) sulphur

(D) iron

Correct Answer

(D) iron

[#147] The chemical name of blue vitriol is . . . . . . . .

(A) Copper Sulphate

(B) Aluminium

(C) Argon

(D) Potassium nitrate

Correct Answer

(A) Copper Sulphate

[#148] Which of the following is a mineral required for the coagulation of blood?

(A) potassium

(B) chlorine

(C) sodium

(D) calcium

Correct Answer

(D) calcium

[#149] . . . . . . . . is the process of making a thick oxide layer on aluminium

(A) Anodising

(B) Sheeting

(C) Shielding

(D) Coating

Correct Answer

(A) Anodising

[#150] Which one of the following metals is liquid at room temperature?

(A) Lead

(B) Mercury

(C) Nickel

(D) Tin

Correct Answer

(B) Mercury