salts

Question 1

physical properties of acids

Answer 1

1. taste sour
2. conduct electricity
3. turns blue litmus paper red

Question 2

chemical properties of acids

Answer 2

1. acid+metal —-> salt+ hydrogen gas
2. acid + metal carbonate —> salt + carbon dioxide + water
3. acid + metal oxide/hydroxide —> salt + water (neutralisation)

Question 3

physical properties of bases

Answer 3

1. taste bitter and feel soapy
2. conduct electricity
3. turns red litmus paper blue

Question 4

chemical properties of bases

Answer 4

1. acid+metal —-> salt+ hydrogen gas
2. acid + metal oxide/hydroxide —> salt + water (neutralisation)