Unveiling Everyday Transformations

Grapes getting fermented

Food getting digested in our body

Milk left at room temperature during summers (correct)

An iron tawa/pan/nail left exposed to humid atmosphere

Physical changes involve a change in the nature and identity of the substance, while chemical changes do not

Physical changes only involve a change in appearance, while chemical changes involve a change in composition (correct)

Physical changes can be reversed, while chemical changes cannot

Physical changes are caused by temperature, while chemical changes are caused by pressure

To study the behavior of different substances

To demonstrate physical changes of matter

To observe the effects of temperature on substances

To explain the concept of chemical reactions (correct)

<p>To prevent burns from hot substances</p> Signup and view all the answers

<p>Formation of magnesium oxide</p> Signup and view all the answers