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WorksheetsACID BASES AND SALTS
Total questions: 22
Worksheet time: 17mins
Salts
are formed from joining positive and negative ions.
increase OH- ions.
forms a salt and water.
increases H2O ions.
A salt is formed when nitric acid combines with sodium hydroxide. What are present in the salt that forms?
Sodium chloride
sodium ions and nitrate ions
only sodium ions
only nitrate ions
What is the correctly written chemical formula for the ionic compound, strontium oxide?
[Hint: strontium, Sr is in Group 2]
Sr2O
SrO2
Sr2O2
SrO
Salts that are made with hydrochloric acid are called ______________.
chlorides
sulfates
nitrates
carbonates
What are the products if magnesium reacts with hydrochloric acid?
Magnesium chloride + Hydrogen
Magnesium sulfate + Hydrogen
Magnesium oxide + Hydrogen
Magnesium sulfide + Hydrogen
Which of the following preparation of salt is incorrect?
acid + alkali
acid + metal oxide
acid + carbonate
acid + acid
Which of the following is not a use of a salt as a food preservative?
ammonium sulphate, (NH4)2SO4 to preserve fruit jam
common salt, NaCl to prepare salted fish
sodium benzoate, C6H5COONa to preserve sauces
sodium nitrite, NaNO2 to preserve sausages
Which of the following is not a type of salt?
Normal salts
Acid salts
Double salts
Soluble salt
What is the colour of hydrated Copper (II) sulphate?
White
Blue
Pink
Brown
Complete the following word equation:
Metal + Acid -->
Salt + water
Salt + hydrogen
Salt + Water + Carbon dioxide
Complete the following word equation:
Metalcarbonate + acid -->
Salt + Hydrogen
Salt + Water + Carbon Dioxide
Salt + Water
The pH of a solution of Ammonium chloride is
>7
<7
=7
can't say
An aqueous solution of NaCl is called
(a)
Chlorine gas can be produced from common salt using the (a) process
The product formed when Chlorine gas reacts with dry slaked lime is called
(a)
Which of the following can be used as an antacid?
Na2CO3
NaHCO3
NaCl
NaOH
Which of these products makes a cake spongy?
Water
Sodium Salt
Carbon dioxide
Acid
Which of these is used in the glass industry?
Sodium Chloride
Sodium Hydroxide
Sodium Carbonate
Sodium bicarbonate
What should you do to make Copper Sulphate crystals lose their blue colour?
dissolve it
heat it
powder it
add acid to it
What is the difference of water molecules between Gypsum and Plaster of Paris?
2
1
1.5
0.5
Which of these compounds is an acidic salt?
Sodium Acetate
Potassium Carbonate
Ammonium Nitrate
Hydrogen Phosphate
