ABS (NA)

Which gas is given off when acids react with a carbonate?

• oxygen

• hydrogen

• ammonia

• carbon dioxide

Which of the following substance is a salt?

• hydrochloric acid

• magnesium oxide

• sodium nitrate

• zinc hydroxide

Which salt is formed when nitric acid reacts with magnesium oxide?

• magnesium chloride

• magnesium sulfate

• magnesium nitrate

• magnesium iodide

Which of the following properties is not true of a base?

• It has a bitter taste.

• It reacts with ammonium chloride to produce ammonia gas

• It turns blue litmus paper red.

• It reacts with an acid to produce water and a salt

The table provides information about pH value of four liquids.

Which two liquids are alkaline?

• P and Q

• Q and R

• R and S

• S and P

The chart shows the positions of four substances on the pH scale. Which substance will turn Universal Indicator blue?

• A

• B

• C

• D

The diagram shows the label on a box of indigestion tablets. The tablets react with hydrochloric acid in the stomach.

Which gas is formed in the stomach when one of the tablets is swallowed?

• ammonia

• carbon dioxide

• hydrogen

• oxygen

Which substance reacts with dilute hydrochloric acid to form hydrogen?

• zinc carbonate

• zinc hydroxide

• zinc metal

• zinc oxide

Jane is given dilute hydrochloric acid and the four solids listed below.

1. zinc

2. zinc carbonate

3. zinc oxide

4. zinc sulfate

Which of these solids can be used to prepare zinc chloride?

• 1, 2 and 3 only

• 1, 2 and 4 only

• 1, 3 and 4 only

• 2, 3 and 4 only

Compound X is used to control soil acidity.

What is X?

• calcium chloride

• calcium hydroxide

• calcium nitrate

• calcium sulfate