EASY
8th Maharashtra Board
IMPORTANT
Earn 100

Deduce the molecular formulae of the compounds formed from the following pairs of elements.
H (valency 1) and O (valency 2).

Important Questions on Composition of Matter

EASY
8th Maharashtra Board
IMPORTANT
Deduce the molecular formulae of the compounds formed from the following pairs of elements.  N (valency 3) and H (valency 1).
EASY
8th Maharashtra Board
IMPORTANT

Deduce the molecular formulae of the compounds formed from the following pairs of elements. Fe (valency 3) and S (valency 2).

MEDIUM
8th Maharashtra Board
IMPORTANT
The valencies of the atom H, O and N are 1, 2 and 3 respectively. The molecular formulae of these gaseous elements are H2, O2, and N2 respectively. How many chemical bonds are there in each of these molecules?
EASY
8th Maharashtra Board
IMPORTANT

The intermolecular force is _____ in the particles of solid.

EASY
8th Maharashtra Board
IMPORTANT

Solids retain their volume even when external pressure is applied. This property is called _____.

EASY
8th Maharashtra Board
IMPORTANT
Matter is classified into three types- mixture, compound and element, by applying the criterion _____.
EASY
8th Maharashtra Board
IMPORTANT

Matter that contain two or more constituent substances is called _____ .

MEDIUM
8th Maharashtra Board
IMPORTANT

Milk is an example of the type of matter called _____.