Question

Name the following:
1) the salt obtained when a chemical change takes place on addition of iron to dilute sulphuric acid =
2) the product obtained during a physical change when water converts from a liquid into a solid =
3) the product of the chemical change on keeping a polished iron nail exposed to the atmosphere =
4) a form of energy required for a chemical change =
5)the gaseous product of the chemical change which takes place during respiration in living organisms=

Answer 1

Answer:

Fe+H2So4=Feso4 +H2 ferrous sulphate

ice

rusted iron nails

chemical energy

co2

Answer 2

Explanation:

1) Ferrous Sulphate

2) Ice

3) Ferrous Oxide (Rust)

4) Heat energy

5) CO2 is produced.

hope it helps

..^_^..