EASY
Lower Secondary Stage 9
IMPORTANT
Earn 100

Which two reactants can be used to make the salt called sodium chloride?
a. chlorine
b. Sodium carbonate
c. hydrochloric acid
d. sulphuric acid
(a)a and c
(b)a and b
(c)b and d
(d)b and c

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Important Questions on Preparing Salts
EASY
Lower Secondary Stage 9
IMPORTANT
Name the salt made when lithium carbonate reacts with hydrochloric acid.

MEDIUM
Lower Secondary Stage 9
IMPORTANT
This is a list of separation techniques:
Distillation Evaporation Filtration |
While making a salt, for removing the excess metal from the salt solution, which separating technique will you use?

MEDIUM
Lower Secondary Stage 9
IMPORTANT
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?

EASY
Lower Secondary Stage 9
IMPORTANT
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
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
A chemist mixes a piece of calcium with some hydrochloric acid. Write a word equation for reaction.

EASY
Lower Secondary Stage 9
IMPORTANT
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
A chemist mixes a piece of calcium with some hydrochloric acid. Write a balanced symbol equation for the reaction.
