Question

write a word equation for the chemical changes ,if any.​

Answer 1

Answer:

Explanation:

When an iron nail is dipped in Copper sulphate solution a displacement reaction takes place, in which one metal displaces the other metal from its salt solution.

Word Equation : Iron + Copper sulphate → Iron sulphate + copper.

Chemical Equation: Fe+CuSO

4

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→Cu+FeSO

4

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A chemical change will take place when an iron nail is immersed in CuSO

4

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 solution.

Answer 2

Explanation:

When you take a magnesium ribbon and heat it on one end, it burns with a dazzling white flame and leaves a white residue.

So when the magnesium reacts with oxygen present in the air it forms a new substance called MAGNESIUM OXIDE.

The word equation is:

Magnesium + Oxygen ------> Magnesium Oxide.

Hope this helps :)