Question

Whoever answers these questions correctly i will mark them brainliest

Answer 1

Answer:

1. On heating blur vitriol it's colour changes and it regains its colour on hydrating it

2.a) C and E (they are basic b'coz pH value>7)

b) strong acid-B

strong base- C

c) D

d) C<E<D<A<B

3. Chloride family: NaCl, AlCl3, MgCl2, KCl

Sulphate family: ZnSO4, CuSO4, MgSO4, BaSO4

Phosphate family: Na3PO4, AlPO4, (NH4)3PO4, FePO4

Carbonate family: K2CO3, Na2CO3, CaCO3, MgCO3