Three substances given below are kept in the open for a few days and some changes were observed.
Which of the substances will show chemical changes?

Eggs

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Plastic bottle

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Both eggs and moth balls

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All eggs, plastic bottle and the moth balls

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Solution

The correct option is A Eggs
Three substances given below are kept in the open for a few days and some changes were observed. Eggs will show chemical changes. They will combine with constituents of air. Moth balls will sublime and thus will show physical change. Bottle will not show any change.

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Three substances given below are kept in the open for a few days and some changes were observed.Which of the substances will show chemical changes?

The correct option is A EggsThree substances given below are kept in the open for a few days and some changes were observed. Eggs will show chemical changes. They will combine with constituents of air. Moth balls will sublime and thus will show physical change. Bottle will not show any change.

Three substances given below are kept in the open for a few days and some changes were observed.
Which of the substances will show chemical changes?

The correct option is A Eggs
Three substances given below are kept in the open for a few days and some changes were observed. Eggs will show chemical changes. They will combine with constituents of air. Moth balls will sublime and thus will show physical change. Bottle will not show any change.