W4 May S3 Chem Acids and Bases 1

Which of the following are physical properties of an acid? Select all options that apply.

• conduct electricity when dissolved in water

• react with metals to form a salt and hydrogen gas

• sour taste

• turn blue litmus paper red

When hydrochloric acid is reacted with magnesium, a gas is produced.

Which test is the most appropriate to verify the identity of the gas produced?

• Bring a glowing splint close to the collected gas.

• Bring a lighted splint close to the gas.

• Bubble the collected gas through limewater.

• Place a damp red litmus paper near the collected gas.

Which of the following metals will produce the least gas when placed in a beaker of dilute sulfuric acid?

• lead

• magnesium

• iron

• zinc

Name the salt produced in the following reactions involving an acid:

hydrochloric acid and zinc

Name the salt produced in the following reactions involving an acid:

dilute sulfuric acid and magnesium oxide

Name the salt produced in the following reactions involving an acid:

dilute nitric acid and aluminium carbonate

Name the salt produced in the following reactions involving an acid:

BONUS: phosphoric acid and calcium