NEW
Font size
WorksheetsAcids, alkalis and neutralisation
Total questions: 15
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
Washing soda is the salt Na2CO3.10H2O. What does the 10 H2O tell us?
Shows the salt is in solution
Shows water is produced when the salt is formed
Shows the salt is anhydrous
Shows there is water of crystallisation
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
6.00 g of hydrated copper(II) chloride was heated to remove the water. After heating, 4.83 g of the anhydrous salt remained. Calculate the water of crystallisation.
CuCl2.H2O
CuCl2.8H2O
CuCl2.2H2O
CuCl2.5H2O
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 of these is the best combination to make zinc chloride?
Zinc carbonate + hydrochloric acid
Zinc nitrate + hydrochloric acid
Sodium chloride + zinc oxide
Calcium chloride + zinc carbonate
The formula of ethanoic acid is
CH3COH
C2H2COOH
CH3COOH
HCOOCH3
Which statement about strong acids is correct?
Ethanoic acid is an example of a strong acid
A strong acid completely dissociates in aqueous solution
Strong acids are very concentrated
A strong acid partially dissociates in aqueous solution
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
