Lesson T5.2.2
T5.2.2 Acids reacting with alkalis Quiz: KS3 Chemistry, Unit 5
20 questions
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Lesson T5.2.2, Acids reacting with alkalis: 20 multiple choice questions for the KS3 Chemistry (National Curriculum), Unit 5: Acids and alkalis, written with Revision Ninja.
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The 20 questions
-
What two products are made when an acid reacts with an alkali?
- Salt and hydrogen
- Salt and water
- Metal and water
- Water and oxygen
-
What is the pH of a neutral solution at room temperature?
- 7
- 14
- 10
- 1
-
What is the pH range for all aqueous acidic solutions?
- Below 7
- Exactly 7
- Above 7
- Between 7 and 14
-
Which indicator turns red in acid and blue in alkali?
- Limewater
- Litmus
- Phenolphthalein only
- Universal indicator
-
Which name is given to a soluble base?
- A catalyst
- A salt
- An oxide
- An alkali
-
Hydrochloric acid reacts with sodium hydroxide. Which salt is formed?
- Sodium carbonate
- Sodium nitrate
- Sodium chloride
- Sodium sulfate
-
What salt is formed when sulfuric acid reacts with potassium hydroxide?
- Potassium sulfate
- Potassium carbonate
- Potassium chloride
- Potassium nitrate
-
A student adds an alkali to an acid until the solution is neutral. What is the pH of the final solution?
- 0
- 14
- 1
- 7
-
Which item is used with a colour chart to measure pH accurately?
- Methyl orange
- Universal indicator
- Litmus paper
- Phenolphthalein
-
What are the two products of a neutralisation reaction?
- Salt and water
- Gas and liquid
- Acid and base
- Metal and oxygen
-
What happens to the pH of a dilute acid when an alkali is added?
- Decreases towards 0
- Stays at 1
- Increases towards 7
- Increases above 14
-
What do colour changes in indicators show during titrations?
- Melting point
- End point
- Dew point
- Boiling point
-
Which ion is responsible for the acidic properties of an acid solution?
- Hydrogen ions
- Hydroxide ions
- Nitrate ions
- Chloride ions
-
Which ion is responsible for the alkaline properties of an alkali solution?
- Hydrogen ions
- Hydroxide ions
- Carbonate ions
- Nitrate ions
-
How is a solution with a pH of 11 classified?
- Alkaline
- Neutral
- Insoluble
- Acidic
-
Which salt is produced by reacting nitric acid with sodium hydroxide?
- Sodium nitrate
- Sodium carbonate
- Sodium sulfate
- Sodium chloride
-
Which gas is produced when an acid reacts with a carbonate?
- Hydrogen
- Oxygen
- Carbon dioxide
- Chlorine
-
Which indicator turns pink in alkali and colourless in acid?
- Universal indicator
- Methyl orange
- Phenolphthalein
- Litmus
-
Which of these substances is an alkali?
- Sodium chloride
- Sodium hydroxide
- Hydrochloric acid
- Sulfuric acid
-
What colour does universal indicator turn in a neutral solution?
- Green
- Red
- Purple
- Orange
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