Acids,bases And Salts

Question 1

Making salts

Answer 1

1. Warm acid
2. Add excess solid
3. Filter excess
4. Heat till saturated
5. Leave to cool and crystallise
6. Filter and pat dry

Question 2

Defenitions

Answer 2

Alkali - soluble base
Base- H+ ion acceptor
Acids- release H+ ions in water

Question 3

Solubility rules

Answer 3

Soluble -
Nitrates
Chlorides
Sulfates
SPA

Insoluble -
Hydroxides
Carbonates

Question 4

Reactions

Answer 4

Acid + metal -> salt + hydrogen
Acid + oxide -> salt + water
Acid + hydroxide -> salt + water
Acid + carbonate -> salt + CO2

Question 5

Indicators

Answer 5

Universal- red, orange, yellow, green, blue
Acid - neutral - alkali