Neutralisation Quiz

What is an acid?

• An acid is a substance that has a sweet taste and turns red litmus paper blue

• An acid is a chemical substance that has a pH value of more than 7

• An acid is a type of base that neutralizes alkaline substances

• An acid is a chemical substance that has a pH value of less than 7, and typically has a sour taste and the ability to turn blue litmus paper red.

What is a base?

• A base is a type of fruit

• A base is a substance that can accept protons or donate electrons.

• A base is a type of musical note

• A base is a type of clothing fabric

What is the pH scale used for?

• The pH scale is used to measure weight

• The pH scale is used to measure temperature

• The pH scale is used to measure time

• The pH scale is used to measure the acidity or alkalinity of a substance.

What are indicators?

• Indicators are small rodents found in the wild.

• Indicators are specific measurements or observations that provide evidence of the presence or state of a condition or trend.

• Indicators are tools used for navigation on a ship.

• Indicators are musical instruments used in a band or orchestra.

What happens during a neutralisation reaction?

• During a neutralisation reaction, an acid and a base react to form a salt and water.

• During a neutralisation reaction, acid and base react to form a gas and water.

• During a neutralisation reaction, acid and base react to form a new acid and water.

• During a neutralisation reaction, acid and base react to form a solid and water.

What is salt formation?

• Salt formation is the process of extracting salt from the ocean

• Salt formation refers to the process by which a salt is created through the combination of an acid and a base, resulting in the formation of a salt and water.

• Salt formation is the process of creating a sculpture out of salt

• Salt formation is the process of heating salt to create a new compound

What is the pH value of a neutral solution?

• 3

• 10

• 7

• 5

What is the pH value of an acidic solution?

• Negative

• More than 7

• Less than 7

• Equal to 7

What is the pH value of a basic solution?

• Less than 7

• Greater than 7

• Equal to 7

• Negative value

What are some examples of neutralisation reactions in everyday life?

• Mixing vinegar and baking soda to create a volcano for a science project

• Some examples of neutralisation reactions in everyday life include taking antacid to neutralize stomach acid, using baking soda to neutralize acidic odors, and using lime to neutralize acidic soil.

• Using lemon juice to clean a copper penny

• Adding salt to water to make it taste better