Question

plz answer this so I will give a follow and a brainliest if I get satisfied​

Answer 1

Answer:

1d) Cu- Copper

2a) NaCl- Sodium Chloride

3b) Oxygen

4d) Muddy water

5a) iron fillings and sulphur

Answer 2

Answer:

1.cu 2.NaCl 3.oxygen 4.common salt 5.

iron filings and sulpher