High School: 9th and 10th Grade - Chemistry - Acids, Bases And Salts Solution

Q.1.

What is an acid?

Q.2.

What is an alkali?

Q.3.

A substance with a pH of 6 is...

Q.4.

Pick the correct equation for the reaction between hydrochloric acid and iron oxide.

38%
Hydrochloric acid + solid iron (III) oxide → iron (III) chloride solution + water
38%
Hydrochloric acid + iron (III) oxide → iron (II) chloride solution + water
25%
Hydrochloric acid + iron (III) oxide → iron (III) chlorate solution + water
0%
Sulphuric acid + iron (III) oxide → iron (III) chloride solution + water

Q.5.

We can react an acid and an alkali together to produce a salt. The correct name for this type of chemical reaction is...

Q.6.

When an acid and an alkali react, a salt and water are formed. Pick the correct salt produced when ammonium hydroxide reacts with nitric acid.

Q.7.

Salts can also be made by reacting metals with acids. What gas is given off when a metal reacts with an acid?

Q.8.

Precipitation reactions occur when an insoluble salt is formed. Precipitation reactions can be used in industry to...

Q.9.

A strong acid...

Q.10.

Pick the correct combination of definitions.