Quiz about Electrolytes and Non-Electrolytes

Question 1

Identify the solute: 10.0 g of NaCl and 100 g of $$H_2O$$

Accepted Answer

NaCl

Answer

$$H_2O$$

Question 2

Strong electrolytes are good conductors of electricity

Accepted Answer

True

Answer

False

Question 3

Non-electrolytes do not conduct electricity

Accepted Answer

True

Answer

False

Question 4

Weak electrolytes are weak conductors of electricity

Accepted Answer

True

Answer

False

Question 5

Which of the following is a characteristic of electrolytes?

Accepted Answer

They conduct electricity when dissolved in water.

Answer

They do not conduct electricity.

Answer

They are always solid at room temperature.

Answer

They cannot dissolve in water.

Question 6

What happens to the ions in a strong electrolyte when dissolved in water?

Accepted Answer

They completely dissociate into ions.

Answer

They remain intact and do not dissociate.

Answer

They partially dissociate into ions.

Answer

They form a precipitate.

Question 7

Which of the following is an example of a non-electrolyte?

Accepted Answer

Glucose (C6H12O6)

Answer

Sodium chloride (NaCl)

Answer

Hydrochloric acid (HCl)

Answer

Potassium nitrate (KNO3)

Question 8

In an experiment, a solution of acetic acid is tested for conductivity. What is the expected observation?

Accepted Answer

Moderate conductivity is observed.

Answer

No conductivity is observed.

Answer

High conductivity is observed.

Answer

The solution changes color.

Question 9

Why are electrolytes important in biological systems?

Accepted Answer

They help in the conduction of electrical signals in nerves.

Answer

They provide structural support to cells.

Answer

They are used as a primary energy source.

Answer

They are responsible for cell division.

Question 10

Which of the following solutions will light a bulb in a conductivity test?

Accepted Answer

Saltwater solution

Answer

Sugar solution

Answer

Distilled water

Answer

Oil

Question 11

What is the main difference between strong and weak electrolytes?

Accepted Answer

Strong electrolytes completely dissociate into ions, while weak electrolytes partially dissociate.

Answer

Strong electrolytes do not dissolve in water, while weak electrolytes do.

Answer

Strong electrolytes are always acidic, while weak electrolytes are basic.

Answer

Strong electrolytes are non-polar, while weak electrolytes are polar.

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