Metals And Acids

Question 1

Acid + metal —->

Answer 1

Salt + hydrogen

Question 2

Acid + metal oxide/hyrdroxide —->

Answer 2

Salt + water

Question 3

Acid + metal carbonate —->

Answer 3

Salt + water + carbon dioxide

Question 4

Strong acids:

Answer 4

Nitric (HNO3), sulphuric (H2SO4), hydrochloric (HCl)

Question 5

Weak acids:

Answer 5

Citric (lemons), carbonic (coke), ethanoic (vinegar)

Question 6

Differences between acid strengths:

Answer 6

1. At same conc, w will have a higher pH
2. At same conc, w will produce CO2 slower
3. Weak acids only partially dissasociate in water, strong fully