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Metals

Substances W,...

Question

Substances W, X, Y and Z have the following properties.

W: Hard, ductile, and malleable

X: Lustrous, soft and non-sonorous

Y: Lustrous, bad conductor of heat and electricity

Z: Liquid, good conductor of heat and electricity, and non-malleable

Identify W, X, Y and Z.

A

W: Carbon; X: Aluminium;

Y: Sodium; and Z: Sulphur

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B

W: Iron; X: Potassium;

Y: Iodine and Z: Mercury

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C

W: Zinc; X: Sodium;

Y: Iodine; and Z: Bromine

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D

W: Sodium; X: Iron;

Y: Potassium and Z: Mercury

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Solution

The correct option is B
W: Iron; X: Potassium;

Y: Iodine and Z: Mercury

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