Kajal left her hammer outside. When she found it a few months later, some parts of the metal were covered with flaky, brown rust. Which type of change occurred when rust formed on the hammer?

Grilling of food is a ________ type of change

An irreversible change is one in which---------

Setting of curd from milk is __________________ change

A teacher wants to show clear difference between physical and chemical changes, which one of the following will be suitable for the same

Folding of paper is a ____________ change while burning it is a _____________ change.

Spreading of Viral infections like COVID-19, is a ______________ change

A seed grows to form a seedling and further a plant, this is a ________________ change

When cooked food is left outside at room temperature, it gets spoilt. This is an example of __________ change.

A child was learning origami by folding paper, this involves __________ change

Mrs. Aggarwal accidentally mixed oil in water while working in kitchen. Which method can be used to separate oil and water.

While making salt from sea water, _________ process is used. It involves _______ change.