WorksheetsACID BASE AND SALT
Total questions: 26
Worksheet time: 52mins
Which of the following salts is soluble?
Lead (II) chloride
Barium sulphate
Calcium sulphate
Potassium carbonate
Which of the following salts can be prepared by double decomposition reaction?
Zinc nitrate
Barium sulphate
Sodium chloride
Potassium carbonate
Which statement is true about salt?
All salts dissolve in water
All nitrate salts dissolve in water
All salts are covalent compound
Which of the following is a soluble salt?
Calcium carbonate
Barium sulphate
Lead (II) chloride
Ammonium nitrate
Which substance is a diprotic acid?
Sulphuric acid
Ethanoic acid
Phosphoric acid
Nitric acid
Which of the following particles in hydrochloric acid is responsible for its acidic properties?
Hydrogen ion
Chloride ion
Hydroxide ion
Sulphate ion
Which of the following substance can be used to neutralise wasp stings?
Carbon
Toothpaste
Vinegar
Sodium Bicarbonate
Plants do not grow well in acidic soil. Which of the following substances can be used to overcome the problem?
Sodium oxide
Calcium oxide
Potassium hydroxide
Magnesium hydroxide
Which of the following solutions gives the lowest pH value?
1.0 mol dm-3 Sulphuric acid
1.0 mol dm-3 Ethanoic acid
1.0 mol dm-³ Ammonia solution
1.0 mol dm-3 Sodium hydroxide solution
Which of the following best defines the term ‘salt’?
Formed when a
hydrogen ion in an acid is replaced by a metal ion or ammonium ion
Formed when a metal ion reacts with a non- metal ion
That contains sodium ions and chloride ions
It is salty in taste
Which of the following substances are suitable to prepare zinc chloride?
Zinc metal and Hydrochloric acid
Zinc metal and sulphuric acid
Zinc carbonate and hydrochloric acid
Zinc metal and nitric acid
Insoluble salts can be prepared through
Precipitation Reaction
Neutralization Reaction
Crystallization
Recrystallisation
What is precipitation reaction?
One aqueous soluble salt and one insoluble salt are mixed to form an insoluble salt.
One aqueous soluble salt and one insoluble salt are mixed to form soluble salt.
Two different aqueous soluble salts are mixed to
form an insoluble salt
Two different aqueous soluble salts are mixed to form soluble salt.
Which of the following salts is prepared through precipitation process?
Ammonium chloride
Barium chloride
Potassium carbonate
What pH range would you get for an acid?
0-6
7
7-14
2-10
What is a titration?
when the moles of hydrogen ions is equal to the moles of hydroxide ions
adding a known amount of solution of known concentration to determine the concentration of an unknown
reaction in which an acid and a base react in an aqueous solution to produce a salt and water
the extent of ionization of an acid or base
Phenolophalein turns from clear to pink when the pH turns
acidic
basic
saline
ionic
What completely ionizes in solution?
Weak acids
Strong acids
Strong Salts
Neutral salts
When Pb(NO3)2 reacts with NaCl...
lead chloride and water are produced
sodium nitrate and lead (II) chloride are produced
Lead(II) Chloride and water are produced
Carbon dioxide gas will turns lime water
white
colourless
chalky
Nitrogen dioxide gas...
is a colourless gas
acidic gas
brown in colour
turns red litmus paper to blue
magnesium chloride can be prepared from
magnesium oxide and hydrochloric acid
magnesium carbonate and hydrochloric acid
magnesium nitrate and hydrochloric acid
magnesium and hydrochloric acid
Ammonium chloride can be prepared from.....
double decomposition
oxidation reaction
neutralisation reaction
combustion
