Chemistry, asked by kalyanbhogavalli, 3 months ago

two examples to show that we observe changes by their effects

Answers

Answered by ZalimGudiya

0

Answer:

If a chemical change occurs there is anew substance is formed. Like when we add iron in copper sulphate then iron will displace the copper and at bottom copper fillings will be left leaving the green liquid. Next when we add Sodium in water it bursts out in this way also a chemical reaction can be identified.

Answered by llFairyHotll

0

Answer:

If a chemical change occurs there is anew substance is formed. Like when we add iron in copper sulphate then iron will displace the copper and at bottom copper fillings will be left leaving the green liquid. Next when we add Sodium in water it bursts out in this way also a chemical reaction can be identified.

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