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Preparation of soluble salt

Preparation of soluble salt

Assessment

Interactive Video

Chemistry

9th Grade

Practice Problem

Hard

Created by

Kuan Siang Ng

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In chemistry, what is a salt?

A product of a reaction between two metals.

An ionic compound formed by the neutralization of an acid by a base.

A compound used to preserve meat and clean wounds.

A substance that always contains sodium chloride.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

From what do the two parts of a salt's name typically originate?

The first part from the acid, the last part from the metal.

Both parts from the acid.

The first part from the metal, metal oxide, or metal carbonate; the last part from the acid.

Both parts from the base.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is heating sulfuric acid in a boiling tube placed in hot water safer than heating it directly with a Bunsen burner?

It prevents the acid from evaporating too quickly.

It minimizes the risk of knocking over hot acid and rapid reactions causing spills.

It ensures the acid reaches a higher temperature.

It allows for better observation of the reaction.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason for adding an excess of copper oxide in the preparation of copper sulfate?

To ensure the solution becomes more concentrated.

To speed up the reaction process.

To ensure all the acid has been neutralized.

To change the color of the solution.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of anti-bumping granules when heating a solution?

They react with the solution to form new compounds.

They prevent the solution from boiling.

They help maintain a smooth boiling action and prevent superheating.

They increase the rate of evaporation.

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