Differentiate between an efflorescent, deliquescent & hygroscopic substance with suitable examples.

Silica gel is a hygroscopic substance.

Describe modifications of stem with suitable examples.

Define fragmentation with suitable examples.

Differentiate between the following: (i) Efflorescence and Deliquescence

Discuss the process of roasting with suitable example.

Discuss the process of roasting with suitable example.

Differentiate between a pure substance and a mixture.

Hygroscopic substances are also called as_____

Define electrical conductors with suitable examples.

What is a chemical equation. How is it represented differentiate between a word equation and a molecular equation with a suitable example.