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WorksheetsChemistry
Total questions: 29
Worksheet time: 15mins
The table shows the salts that can be formed from the acid. Which gives the correct salts formed from the acid?
1, 2 and 3
1 and 2
2 and 3
1 only
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 the 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 the beaker;
2. remove from heat and leave for a few days;
3. pour sulfuric acid into the 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 the 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
How could you use iron oxide to make iron chloride?
iron oxide is reacted with sulfuric acid
iron oxide is reacted with hydrochloric acid
iron oxide is reacted with nitric acid
iron oxide is reacted with water
Salts are compounds that have hundreds of different uses in everyday life. Look at the following table! Which number matches 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
How do you separate an excess insoluble reactant from a solution?
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 the 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
Complete the following word equation: Metal carbonate + acid -->
Salt and water
Salt and hydrogen
Salt and carbon dioxide
Salt, water, and carbon dioxide
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
Look at the following equation! Sulfuric acid H2SO4(aq) + X CuO(s) --> Y CuSO4(aq) + water H2O(aq). What are X and Y compounds, respectively?
cobalt oxide and cobalt sulfite
cobalt oxide and cobalt sulfate
copper oxide and copper sulfite
copper oxide and copper sulfate
Which acid is needed to make sodium chloride from sodium hydroxide?
hydrochloric acid
phosphoric acid
nitric acid
sulfuric acid
Word equation:
the reaction between magnesium and sulfuric acid
magnesium + sulfuric acid → magnesium sulfate + water
aluminium + sulfuric acid → aluminium sulfate + water
potassium hydroxide + nitric acid → potassium nitrate + water
copper carbonate + hydrochloric acid → copper chloride+ carbon dioxide + water
Word equation:
the reaction between aluminium and sulfuric acid
magnesium + sulfuric acid → magnesium sulfate + water
aluminium + sulfuric acid → aluminium sulfate + water
potassium hydroxide + nitric acid → potassium nitrate + water
copper carbonate + hydrochloric acid → copper chloride+ carbon dioxide + water
Word equation:
the reaction between potassium hydroxide and nitric acid
magnesium + sulfuric acid → magnesium sulfate + water
aluminium + sulfuric acid → aluminium sulfate + water
potassium hydroxide + nitric acid → potassium nitrate + water
copper carbonate + hydrochloric acid → copper chloride+ carbon dioxide + water
Word equation:
the reaction between copper carbonate and hydrochloric acid
magnesium + sulfuric acid → magnesium sulfate + water
aluminium + sulfuric acid → aluminium sulfate + water
potassium hydroxide + nitric acid → potassium nitrate + water
copper carbonate + hydrochloric acid → copper chloride+ carbon dioxide + water
Name the salt formed:
citric acid and calcium carbonate
calcium citrate
aluminium nitrate
ammonium chloride
ammonium sulfate
Name the salt formed:
nitric acid and aluminium
calcium citrate
aluminium nitrate
ammonium chloride
ammonium sulfate
Name the salt formed:
hydrochloric acid and ammonia
calcium citrate
aluminium nitrate
ammonium chloride
ammonium sulfate
Name the salt formed:
ammonium hydroxide and sulfuric acid
calcium citrate
aluminium nitrate
ammonium chloride
ammonium sulfate
Look at the following procedure steps!
1. Filter off the excess zinc. The filtrate is a solution of the zinc sulfate.
2. Add the zinc to the sulfuric acid an a flask so that the zinc is in the excess.
3. Dry the crystals between the sheets of filter paper.
4. Put the filtrate into an evaporating basin and evaporate the water until the crystallisation point is reached.
Kamila wants to make a salt using zinc metal and sulfuric acid.
Which is the correct order of the procedure steps?
2 - 4 - 1 - 3
2 - 3 - 1 - 4
2 - 1 - 4 - 3
2 - 1 - 3 - 4
