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oxides

Total questions: 8

Worksheet time: 9mins

Name
Class
Date
1.

Which solubility rule is true for oxides?

a)

All are soluble except those of sodium, potassium and ammonium.

b)

All are insoluble except those of sodium, potassium and ammonium.

c)

All are soluble except those of silver and lead,

d)

All are soluble except those of calcium, lead and barium.

2.

Select the statements that are true of basic oxides.

a)

They are oxides of metals.

b)

They dissolve in water to form acids.

c)

They react with acids to form salt and water.

d)

They react with bases to form salts and water.

3.

Which statement is false of acidic oxides?

a)

They are oxides of non-metals.

b)

They dissolve in water to form acids.

c)

They do no react with acids or alkalis.

d)

They react with alkalis to form salt and water.

4.

Carbon monoxide, water and nitrogen monoxide are examples of (a)   oxides.

5.

Select the amphoteric oxides.

a)

aluminium oxide

b)

carbon dioxide

c)

lead(II) oxide

d)

potassium oxide

e)

zinc oxide

6.

Select the statements that are true of amphoteric oxides.

a)

They are mostly insoluble in water.

b)

They do not react with acids and alkalis.

c)

They react with acids to form salt and water.

d)

They react with akalis for form salt and water.

7.

Which is the ionic equation of the reaction between hydrochloric acid and sodium hydroxide?

a)

Na+ (aq) + Cl- (aq) --> NaCl (aq)

b)

H+ (aq) + OH- (aq) --> H2O (l)

c)

H- (aq) + OH+ (aq) --> H2O (l)

8.

Select the precipitation reaction(s).

a)

Ba2+ (aq) + 2NO3- (aq) --> Ba(NO3)2 (aq)

b)

Ca2+ (aq) + SO42- (aq) --> CaSO4 (s)

c)

Ca2+ (aq) + 2Cl- (aq) --> CaCl2 (aq)

d)

Pb2+ (aq) + Cl- (aq) --> PbCl2 (s)

e)

Mg2+ (aq) + OH- (aq) --> Mg(OH)2 (s)