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:

1. Ferrous Sulphate
2. ice
3. rust
4. Energy like light, pressure, heat energy is required for chemical changes. Such energy is generally absorbed or released during the chemical change.
5. chemical or gaseous product of a chemical change which takes place during respiration of a living organism is carbon dioxide. ... Then the gaseous product of the chemical change, which takes place during respiration in living organisms. That is CO2 carbon dioxide.

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Answer 2

Explanation:

1) Ferrous Sulphate

2) Ice

3) Ferrous Oxide (Rust)

4) Heat energy

5) CO2 is produced.

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