Substance X conducts electricity when in the solid state. X reacts with Hydrochloric acid. Which substance could X be?

Copper(II) Oxide

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Silicon(IV) Oxide

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Sodium Chloride

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Zinc

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Solution

The correct option is D
Zinc

Only metals conduct electricity in the solid state and metals above hydrogen in the activity series react with HCl to give hydrogen. Hence zinc would be the only choice.

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Similar questions

Q. Study the characteristics of substance X given below:
a) High melting point
b) Solid state
c) Good conductor of electricity
Based on the above characteristics, what could X be?

Q. Balance the chemical equation by including the physical states of the substances for the following reactions.

a) Barium chloride and sodium sulphate aqueous solutions react to give insoluble Barium sulphate and an aqueous solution of sodium chloride.

b) Sodium hydroxide reacts with hydrochloric acid to produce sodium chloride and water.

c) Zinc pieces react with dilute hydrochloric acid to liberate hydrogen gas and forms zinc chloride

Q. A metal X reacts with zinc chloride to form metal chloride and zinc. The oxide of metal X reacts with both hydrochloric acid and sodium hydroxide to produce salt and water. Identify the metal X.

[0.8 mark]

When zinc reacts with dilute hydrochloric acid, zinc chloride is formed along with the evolution of gas X. The evolved gas is colourless, odourless and neutral to litmus. So, gas X is:

Study the characteristics of substance X given below:

Based on the above characteristics, what could X be?

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Substance X conducts electricity when in the solid state. X reacts with Hydrochloric acid. Which substance could X be?

The correct option is D ZincOnly metals conduct electricity in the solid state and metals above hydrogen in the activity series react with HCl to give hydrogen. Hence zinc would be the only choice.

The correct option is D
Zinc

Only metals conduct electricity in the solid state and metals above hydrogen in the activity series react with HCl to give hydrogen. Hence zinc would be the only choice.