QUIZ: Acid and Alkali Year 7

pH paper is out in a solution, which turns red. What is this?

• A strong alkali

• A strong acid

• A weak acid

• A weak alkali

Coke is a alkali

• True

• False

Lemon juice is an .....................

pH paper, universal indicator and red cabbage indicator can all be used to :

• Determine whether something is corrosive or not

• Determine whether something is an acid or alkali

• Determine whether something is an element or not

• Determine whether something is a mixture or compound

What is the pH range for acids?

• 1-6

• 1-7

• 0.-7

• 0-6

What is the pH scale for alkalis?

• 8-13

• 7-14

• 8-14

• 7-13

When you mix an acid and alkali, what do you get?

• Water

• Alkali

• Salt

• Acid

Strong acids and strong alkali are

• Able to turn blue litmus paper red

• Corrosive and / or caustic

• Sour

• Sweet

Which of the following substances contain an alkali?

• Baking powder

• Coca Cola

• Distilled water

• Vinegar

Which of the following pH numbers indicates a neutral substance?

• 1

• 5

• 7

• 14