chapter 8 - acid and bases (part four ; oxides)

Question 1

give 2 types of metallic oxides

Answer 1

basic oxides and amphoteric oxides

Question 2

give 2 types of non-metallic oxides

Answer 2

acidic oxides and neutral oxides

Question 3

examples of basic oxides

Answer 3

copper (II) oxide
calcium oxide
magnesium oxide

Question 4

properties of basic oxides

Answer 4

1. reacts with acids to form salt and water
2. soluble basic oxides dissolve in water to form alkalis

Question 5

properties of amphoteric oxides

Answer 5

reacts with both acids and alkalis to form salt and water only

Question 6

examples of amphoteric oxides

Answer 6

zinc oxide
aluminium oxide
lead (II) oxide

Question 7

properties of acidic oxides

Answer 7

1. reacts with alkalis to form salt and water only
2. soluble acidic oxides dissolve and ionise in water to form acids

Question 8

examples of acidic oxides

Answer 8

carbon dioxide
sulfur trioxide
phosphorus oxide

Question 9

properties of neutral oxides

Answer 9

does not react with acid and alkalis

Question 10

examples of neutral oxides

Answer 10

water
carbon monoxide
nitric oxide