WorksheetsSALTS
Total questions: 15
Worksheet time: 8mins
The chemical industry makes hundreds of thousands of tons of different salts. Many methods for making salt starts with acids. Salts made from carbonic acid are called _____.
chlorides
sulfates
nitrates
carbonates
Salts can be prepared by reacting metals with acids. However, some metals will not react with acids to make salts. Which of the following metals will NOT react with acids?
zinc
iron
magnesium
copper
Look at the following word equation!
nitric acid + magnesium carbonate = _______ + _______ + _______
What is the missing product in the reaction between nitric acid and magnesium carbonate?
magnesium nitrate + water
magnesium oxide + water
magnesium oxide + water + hydrogen
magnesium nitrate + water + carbon dioxide
What happens when an acid reacts with metal oxide?
salt and water are formed
metal hydride is formed
oxyacid will be formed
salt and hydrogen gas are formed
Following word equations are given:
potassium hydroxide + nitric acid=potassium nitrate + water
sodium oxide + water = sodium hydroxide
Which are base and alkali from the reaction above, respectively?
sodium hydroxide; sodium oxide
sodium oxide; potassium hydroxide
potassium hydroxide; sodium oxide
potassium nitrate; sodium hydroxide
Look at the following procedure steps!
1. add zinc metal into beaker
2. remove from heat and leave for a few days
3. pour sulfuric acid into beaker
4. Pour the mixture into evaporating dish and heat gently
Budi wants to make a salt using zinc metal and sulfuric acid. Which is the correct order of the procedure steps?
1 - 4 - 3 - 2
4 - 3 - 2 - 1
3 - 1 - 4 - 2
3 - 4 - 1 – 2
Which gives the correct formula of example of salt that formed from hydrochloric acid?
MgCl2
CuSO4
CaCO3
KNO3
Alkalis react with acids and neutralize them. Which of the following is the correct word equation representing neutralization reaction?
sodium hydroxide + hydrochloric acid = sodium chloride + water
sodium oxide + water = sodium hydroxide
copper carbonate + nitric acid = copper nitrate + water + carbon dioxide
ammonia + hydrochloric acid = ammonium chloride
Which one of the following salts is used to help crops grow well?
magnesium carbonate
copper sulfate
ammonium nitrate
calcium sulfate
When solid X is added to dilute sulfuric acid, an aqueous solution of a sulfate salt is produced. What could solid X be?
Copper
Magnesium hydroxide
Silver
Zinc chloride
A metal compound reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. If one of the compounds formed is calcium chloride. What is the name of the metal compound?
calcium carbonate
calcium hydroxide
calcium oxide
calcium sulfate
Salts are compounds that have hundreds of different uses in everyday life.
Look at the following table!
Which number match the salt with its uses?
1
2
3
4
How do you remove the water to leave solid copper sulfate crystals?
Filtration
Evaporation
Distillation
Dissolving
Which two chemicals could you react to make only potassium chloride and water?
Potassium and hydrochloric acid
Potassium oxide and sulfuric acid
Potassium hydroxide and hydrochloric acid
Potassium and sulfuric acid
After titrating aqueous NaOH with dilute HCl without indicator, what is my next step to obtain a sample of NaCl?
Filtration
Repeat the titration
Evaporation to dryness
Evaporate to saturation, then cool the solution
