A tube of shaving cream is always offered in a cardboard box. Name the type of packaging used in this case.

Name the type of biasing used in zener diode.

What are the type of the boxes used in the flowcharts?

Shaving cream is a………….. Type of colloid.

Shyam bought a pain relieving ointment after seeing it being displayed in the chemist's shop. The ointment tube was packed in a cardboard box. Identify the different levls of packaging of the pain relieving medicine, when it was purchased by Shyam. Also state the functions of packaging.

What is observed when a solution of sodium sulphate is added to a solution of barium chloride taken in a test tube? Write equation for the chemical reaction involved and name the type of reaction in this case.

What is observed when a solution of sodium sulphate is added to a solution of barium chloride taken in a test tube? Write equation for the chemical reaction involved and name the type of reaction in this case.

Name the type of lens used to correct eye defect.