When no new substance is formed after the change, it is called ___________ change.

  When a new substance is formed after the change, it is called _______________ .

The element/compounds involved in the chemical reaction are called _________________ .

When a new substance is formed after the change, it is called __________________change.

In a chemical equation names of the ____________________  are written on the left hand side .

Which of the following shows both physical and chemical change ?

Two drops of dilute sulphuric acid were added to 1g of copper sulphate powder

Step I: A small amount of hot water is added to dissolve it.

Step II: On cooling blue crystals get seprated

Step I & Step II are?

What is the chemical formula of quickline?