WorksheetsiGCSE Ions, formulae and acids
Total questions: 50
Worksheet time: 37mins
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
The formulae of the salt formed when sulfuric acid reacts with aluminium hydroxide is...
Al2(SO4)3
Al3(SO4)2
AlSO4
Al2SO4
What is the formula of a sodium ion
Na+
Na2+
Na-
Na-2
What is the formula of a lithium ion
Li+
Li2+
LI+
Li-
What does an acid release in aqueous solution?
H
H+
OH-
H-
What is the formula of a magnesium ion
Mg2+
Mg+
Mg3+
Mg2-
What is the formula of a calcium ion?
Ca2+
C2+
Ca+
Ca2-
What is the formula of an aluminium ion?
Al3+
Al2+
Al4+
Al
What is the formula of a chloride ion
Cl-
Cl+
Cl2-
Cl2+
What is the formula of an oxide ion?
O2-
OH-
O-
OH2-
What is the formula of a hydroxide ion?
OH-
OH2-
O-
O2-
What is the formula of a sulfide ion
S2-
SO42-
What is the formula of a sulfate ion
SO42-
SO4-
S2-
SO24-
What is the formula of a nitrate ion?
NO3-
NO3-
NO32-
NO-
What is the formula of sulfuric acid
H2SO4
HSO4
H3SO4
SO4
What is the formula of nitric acid
HNO3
HNO4
H2NO3
NO3
What is released by acids in aqueous solution?
(a)
What is the name of the salt produced from the reaction of sulfuric acid with calcium carbonate?
(a)
What is the correct formula of aluminium sulfate?
Al2(SO4)3
AlSO4
Al3(SO4)2
AlSO3
Which of the following is not an example of a base?
sodium
sodium oxide
sodium carbonate
sodium hydroxide
What is the name of the ion released by an alkali in aqueous solution
(a)
What is the colour of universal indicator in acid
(a)
What is the colour of universal indicator in alkali?
(a)
What is the colour of litmus in acid?
(a)
What is the colour of litmus in alkali?
(a)
Phenolphthalein is added to sulfuric acid. What colour is the solution?
(a)
Phenolophthalein is added to a solution of sodium hydroxide. What colour is the solution?
(a)
What colour is methyl orange in nitric acid?
(a)
What colour is methyl orange in an alkali solution?
(a)
What is the formula and charge of an ammonium ion?
NH4+
NH4+
NH3+
NH3+
What would be the formula of Iron (III) chloride
FeCl3
Fe3Cl
FeCl2
FeCl
Which of the following is NOT produced in the reaction between calcium carbonate and nitric acid
hydrogen
calcium nitrate
water
carbon dioxde
What would you observe in the reaction between a metal carbonate and an acid
(a)
What are the correct products of:
Sodium oxide + nitric acid -->
Sodium nitrate + water
Sodium nitrate + hydrogen
Sodium nitrate + water + carbon dioxide
Sodium sulfate + water
Tick every substance that could be classified as a base
sodium
sodium oxide
sodium carbonate
ammonia
potassium hydroxide
What is the name of the acid with the formula HNO3
(a)
What is the name of the acid with the formula H2SO4
(a)
An acid of pH 3 is diluted by a factor of 100.
What is the new pH?
(a)
What is the correct formula of calcium chloride?
CaCl2
CaCl
Ca2Cl
CaCl3
What is the correct formula of calcium hydroxide?
Ca(OH)2
CaOH2
Ca2OH
CaO2H
What is the correct state symbol for an acid?
(aq)
(l)
(s)
(g)
What is the correct state symbol for an alkali?
(aq)
(s)
(l)
(g)
Which of the following could be the correct state symbol for a base
(aq)
(s)
(g)
(l)
What is the name of this piece of equipment?
(a)
What is the correct formula of copper(II) oxide?
CuO
Cu2O
CuO2
Cu(OH)2
Name the equipment
(a)
Phenolphthalein is (a) in acid and (b) in alkali
Phenolphthalein is (a) in acid
Name the indicator that is colourless in acid and pink in alkali
(a)
Name the technique shown
(a)
