Question

Which of the compounds are colourless

Answer 1

Answer:

When zinc metal reacts with copper sulphate solution then zinc displaces the copper from copper sulphate solution because zinc is reactive than copper and takes place of copper in copper sulphate solution and Compound formed is ZnSoki power 4 is colourless compound.

Answer 2

Answer:

negative pasitive

1.calcium. 1.chloride

2.sodium. 2.nitrate