Question

please answer me fast this is very urgent​

Answer 1

Answer:

1) Hydrogen (H)-first element in the periodic table.

2) In this single-displacement reaction, silver nitrate will dissolve copper, producing elemental silver crystals. The dissolved silver ions in solution attract electrons from the copper, causing the copper to become dissolved copper ions

3)After a few days, the iron pot. Holes will appear on pot because there is displacement reaction taking place between Iron metal and CuSO4 solution.

• 4)Silver siltrate.(I think so. the pic is very blurry)
• not so sure.

i)copper sulphate; ii) silver sulphate; iii)zinc sulphate

not so sure about correct answers for the 4th question, but i hope the rest is helpful for you. Mark me as brainliest if it helps