2.3 DISSOLVING

Why is it important to conduct the experiment safely?

• A) To make the teacher happy

• B) To avoid accidents and injuries

• C) To show off to your friends

• D) To waste time

What is the process called when a solid dissolves in a liquid?

• A) Melting

• B) Dissolving

• C) Evaporating

• D) Freezing

What is the purpose of recording the results of the experiment?

• A) To make the experiment look neat

• B) To compare predicted and actual outcomes

• C) To waste time

• D) To confuse others

What is the term for a substance that can dissolve in a liquid?

• A) Insoluble

• B) Soluble

• C) Solute

• D) Solvent

Which of the following is NOT a step in the experiment?

• A) Predict which liquids salt will dissolve in

• B) Conduct the experiment in groups

• C) Record the results

• D) Discuss the weather

Which of the following is NOT a liquid used in the experiment to test salt's solubility?

• A) Water

• B) Oil

• C) Vinegar

• D) Milk

What does the term "solubility" refer to?

• A) The ability of a solid to dissolve in a liquid

• B) The ability of a liquid to dissolve in a solid

• C) The ability of a gas to dissolve in a liquid

• D) The ability of a liquid to evaporate

Which of the following is a real-life application of solubility?

• A) Making a sandwich

• B) Cleaning a room

• C) Dissolving salt in water for cooking

• D) Riding a bicycle

How many liquids are used in the experiment to test salt's solubility?

• A) Two

• B) Three

• C) Four

• D) Five

What should you wear while conducting the experiment to protect your eyes?

• Safety goggles

• Sunglasses

• Reading glasses

• No need for eye protection