Which of the following substances will undergo a chemical change if kept in the open for a week?

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Solution

The correct option is C

Apple will rot when kept in the open ⇒ Chemical change

Pencil and plastic will remain the same ⇒ No significant change

Mothballs will sublime ⇒ Physical change

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Which of the following substances will undergo a chemical change if kept in the open for a week?

The correct option is C Apple will rot when kept in the open ⇒ Chemical change Pencil and plastic will remain the same ⇒ No significant change Mothballs will sublime ⇒ Physical change

The correct option is C

Apple will rot when kept in the open ⇒ Chemical change

Pencil and plastic will remain the same ⇒ No significant change

Mothballs will sublime ⇒ Physical change