Acids bases and salts (NEW)

Question 1

Acid + Carbonate make

Answer 1

Salt + carbon dioxide + water

Question 2

If you react a Metal and Acid you make….

Answer 2

Salt and Hydrogen

Question 3

Acid + Alkali make

Answer 3

Salt + Water

Question 4

Acid + Base make

Answer 4

Salt + Water

Question 5

Hydrogen ions and hydroxide ions make

Answer 5

Water, H + OH = H20

Question 6

How do you produce copper sulphate salt crystals?

Answer 6

1- Heat mixture of excess base and acid
2- filter the salt and excess base solution to remove insoluble base
3- then let aqueous salt solution evaporate

Question 7

What salts are made from hydrochloric acid, nitric acid, sulfuric acid

Answer 7

copper hydrate salt crystals, copper nitrate sulphate salt crystals, copper sulphate salt crystals

Question 8

How do you test for sulphate ions ( SO4 2‒)

Answer 8

• By adding Barium Chloride

- A white precipitate of barium sulphate forms if sulphate ions are present

Question 9

Why is titration used?

Answer 9

to determine relative and actual concentrations of solutions of acids/alkalis

Question 10

solid

Answer 10

mass = moles x mr

Question 11

liquid

Answer 11

moles= conc x vol/1000

Question 12

What unit do you use for concentration?

Answer 12

Mol dm-3