state 2 examples of each -----evolution of gas, change in colour, change in temp., change in state, precipitation
Kindly refer to the following links:
https://www.meritnation.com/ask-answer/question/explain-evolution-of-gas-with-an-example-rn/science/4348985
https://www.meritnation.com/ask-answer/question/give-one-example-of-each-1-chemical-reaction-showing-evolut/chemical-reactions-and-equations/6526509
https://www.meritnation.com/ask-answer/question/please-give-some-examples-of-change-in-state-of-chemical-rea/chemical-reactions-and-equations/9120937
https://www.meritnation.com/ask-answer/question/what-is-precipitation-reaction-give-one-example/science/5021353
https://www.meritnation.com/ask-answer/question/explain-evolution-of-gas-with-an-example-rn/science/4348985
https://www.meritnation.com/ask-answer/question/give-one-example-of-each-1-chemical-reaction-showing-evolut/chemical-reactions-and-equations/6526509
https://www.meritnation.com/ask-answer/question/please-give-some-examples-of-change-in-state-of-chemical-rea/chemical-reactions-and-equations/9120937
https://www.meritnation.com/ask-answer/question/what-is-precipitation-reaction-give-one-example/science/5021353