CHS Y7 Science - Chemicals

Which pH could belong to a strong acid?

• 14

• 8

• 5

• 1

Which pH could belong to a strong alkali?

• 14

• 8

• 5

• 1

Which pH could belong to a weak acid?

• 14

• 8

• 5

• 1

Which pH is neutral?

• 14

• 7

• 4

• 2

What is an indicator in Chemistry?

• Chemical dyes that can change colour according to pH

• A small light bulb on a car

• A chemical involved in a chemical reaction

• A substance used to neutralise an acid

What does the pH scale measure?

• How good at cleaning something is

• How sour something is

• How acidic or alkaline a solution is

• The colours used in tangfastics

What colour would universal indicator go in hydrochloric acid?

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What colour would universal indicator go in sodium hydroxide?

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What colour would universal indicator go in a neutral solution?

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Which colour would universal indicator go in a solution which is pH3 ?

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