WorksheetsY8 Acids & Alkalis Revision Quiz
Total questions: 25
Worksheet time: 13mins
A compound contains one atom of nitrogen and three atoms of hydrogen. What is the correct chemical formula?
NH3
NH3
N3H
NH3
The formula for calcium hydroxide is Ca(OH)2. How many atoms of each element are present?
1 x calcium, 2 x hydroxide
1 x calcium, 2 x oxygen, 2 x hydrogen
1 x calcium, 1 x oxygen, 2 x hydrogen
2 x calcium, 2 x oxygen, 2 x hydrogen
When describing a word equation, which statement is correct?
Products on the left of the arrow, reactants on the right
Products on the right of the arrow, reactants on the left
Products and reactants can go anywhere you like
Which of the following is a property of ALL acids?
They taste sour
They are corrosive
They feel soapy
They are flammable
Which of the following is a property of ALL alkalis?
They taste sour
They are corrosive
They feel soapy
They are flammable
What is an indicator?
The flashing light on a car that signals a change of direction
A chemical that is a different colour in acids and alkalis
An acid or an alkali
What type of substance has a pH of 7?
Acid
Alkali
Neutral
What type of substance has a pH of 14?
Acid
Alkali
Neutral
What type of substance has a pH of 1?
Acid
Alkali
Neutral
What colour does universal indicator turn in a neutral substance?
Green
Red
Yellow
Purple
What colour does universal indicator turn in a weak acid ?
Green
Red
Yellow
Purple
What colour does universal indicator turn in an alkali?
Green
Red
Yellow
Purple
What is a neutralisation reaction?
A reaction that produces water
A reaction that makes salt
The reaction between an acid and an alkali
What combination of reactants could be used to make potassium chloride?
Potassium hydroxide + sulphuric acid
Sodium hydroxide + hydrochloric acid
Potassium hydroxide + nitric acid
Potassium hydroxide + hydrochloric acid
What combination of reactants could be used to make potassium nitrate?
Potassium hydroxide + sulphuric acid
Sodium hydroxide + hydrochloric acid
Potassium hydroxide + nitric acid
Potassium hydroxide + hydrochloric acid
What combination of reactants could be used to make sodium sulphate?
sodium hydroxide + sulphuric acid
Sodium hydroxide + hydrochloric acid
Potassium hydroxide + nitric acid
Potassium hydroxide + hydrochloric acid
What is the relationship between alkalis and bases?
Alkalis are soluble bases
Bases are soluble alkalis
They are the same
There isn't one
Which of the following is not a base?
Sodium hydroxide
Magnesium oxide
Calcium carbonate
Sodium nitrate
Sodium hydroxide is a soluble white solid. Is it...?
An alkali
A base
Both a base and an alkali
Not a base or an alkali
Calcium carbonate is an insoluble white solid. Is it...?
An alkali
A base
Both a base and an alkali
Not a base or an alkali
Copper oxide is an insoluble black solid. Is it...?
An alkali
A base
Both a base and an alkali
Not a base or an alkali
What acid would you need to react with copper oxide to make copper sulphate?
Ethanoic acid
Nitric acid
Sulphuric acid
Hydrochloric acid
What could you react with hydrochloric acid to make sodium chloride?
Sodium nitrate
Sodium hydroxide
Magnesium chloride
Copper oxide
A solution was tested and found to have a pH of 9. What kind of substance is it?
A strong alkali
A weak alkali
A strong acid
A weak acid
A solution was tested and found to have a pH of 4. What kind of substance is it?
A strong alkali
A weak alkali
A strong acid
A weak acid
