MEDIUM
Lower Secondary Stage 9
IMPORTANT
Earn 100

This is a list of separation techniques:

Distillation            Evaporation            Filtration

While making a salt, for crystallising salt crystals from a salt solution, which separation technique will you use?

50% studentsanswered this correctly

Important Questions on Preparing Salts

EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 6 - Preparing Salts>End of Chapter Review>Q 9
Mo wants to make the salt called sodium nitrate. He could react sodium metal or sodium carbonate with an acid. What acid he should use?
HARD
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 6 - Preparing Salts>End of Chapter Review>Q 9
Mo wants to make the salt called sodium nitrate. He could react sodium metal or sodium carbonate with an acid. Should he use sodium metal or sodium carbonate? Give reason for your answer.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 6 - Preparing Salts>End of Chapter Review>Q 10
A chemist mixes a piece of calcium with some hydrochloric acid. Write a word equation for reaction.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 6 - Preparing Salts>End of Chapter Review>Q 10
A chemist mixes a piece of calcium with some hydrochloric acid. State the symbol or formula for each substance involved in the reaction.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 6 - Preparing Salts>End of Chapter Review>Q 10
A chemist mixes a piece of calcium with some hydrochloric acid. Write a balanced symbol equation for the reaction.
HARD
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 6 - Preparing Salts>End of Chapter Review>Q 11
Describe the steps you would take to make crystals of zinc sulphate from zinc granules and sulphuric acid.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 6 - Preparing Salts>End of Chapter Review>Q 12
A salt can be made by reacting potassium carbonate solution and sulphuric acid. The carbonate solution is added drop by drop until all the acid has reacted. Name the salt produced. 
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 6 - Preparing Salts>End of Chapter Review>Q 12
A salt can be made by reacting potassium carbonate solution and sulphuric acid. The carbonate solution is added drop by drop until all the acid has reacted. Explain why you need to use an indicator when preparing this salt.