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WorksheetsAcids, Bases, Salts
Total questions: 20
Worksheet time: 10mins
Identify the correct formulae for the three common lab acids
H2SO4, HNO2, HCl
HCl, HNO3, H2SO3
H2SO4, HCl, HNO3
HNO3, HCl2, H2SO4
Which of the following is incorrect?
acid + metal carbonate -> salt + carbon dioxide + water
acid + alkali -> salt + water
acid + metal -> salt + water
acid + base -> salt +water
An acid is a...
proton donor
electron donor
electron acceptor
proton acceptor
Select the chemical for X in the following equation:
2 HCl + X -> H2O + CuCl2
Cu(OH)2
CuCO3
CuO
Cu
The formulae of the salt formed when sulfuric acid reacts with aluminium hydroxide is...
Al2(SO4)3
Al3(SO4)2
AlSO4
Al2SO4
The best description of a salt is...
Substance formed on neutralisation
Formed when the hydrogen of an acid is replaced by a metal or ammonium ion
Formed when the hydrogen of an acid is replaced by a metal or NH4
Formed when an acid reacts with an alkali
What would you see if calcium metal was added to excess hydrochloric acid?
Effervescence
Effervescence and calcium dissolving
Calcium dissolving
Effervescence and a colour change
Which of these reactants is the best combination to use to make zinc nitrate?
nitric acid + zinc hydroxide
nitric acid + zinc sulfate
zinc oxide + nitrous acid
zinc chloride + nitric acid
Which of the following completes the equation:
? + nitric acid -> ammonium nitrate
sodium nitrate
ammonia
calcium hydroxide
ammonium sulfate
Which statement is incorrect?
An alkali releases H+ ions in aqueous solution
An alkali is a water soluble base
acid + alkali -> salt + water
neutralisation is the reaction of H+ and OH- ions to form water
Which of the following is an example of a strong acid?
Ethanoic acid
Hydrochloric acid
Water
Sodium hydroxide
Which of the following is an example of an alkali?
H₂SO₄
HNO₃
NaOH
HCl
What does the pH scale measure?
The temperature of a solution
The acidity or alkalinity of a solution
The mass of a solution
The volume of a solution
What is the pH value of a neutral substance?
0
7
14
10
On the pH scale, values below 7 indicate what kind of solution?
Neutral
Basic
Acidic
Pure
What is produced when the H+ ions from an acid combine with the OH- ions from an alkali?
Salt
Hydrogen gas
Water
Carbon dioxide
What color represents a strong acid on the pH scale?
Red
Green
Blue
Purple
What is the word equation for the reaction of hydrochloric acid and sodium hydroxide?
Hydrochloric acid + sodium hydroxide → sodium chloride + water
Hydrochloric acid + sodium chloride → sodium hydroxide + water
Sodium hydroxide + water → hydrochloric acid + sodium chloride
Sodium chloride + water → hydrochloric acid + sodium hydroxide
Three types of alkalis can react with acids to produce salt and water. What are they?
Metal chloride, oxide and peroxide
Metal sulfide, hydroxide and carbonate
Metal oxide, carbonate and hydroxide
Metal fluoride, oxide and hydroxide
Which of the following neutralisation reactions produces a gas of carbon dioxide?
Hydrochloric acid and metal oxide
Nitric acid and metal hydroxide
Sulfuric acid and metal
Nitric acid and metal carbonate
