Question

identify element,compound,mixture :

sofa water, calcium oxide, muddy water, sulphur, Ion sulphide, salt solution.​

Answer 1

Answer:

The intermolecular force is  maximum in the paricles of solid.

i. Minimum    ii. Moderate    iii.maximum    iv.indefinite.

B. Solids retain their voume even when external pressure is applied. This property is called incompressibility.

i. plasticity    ii. Incompressibility    iii. fluidity    iv. elasticity

C. Matter is classified into the types mixture, compound and element by applying the criterion states of matter.

i. states of matter    ii Phases of matters    iii chemical compositions of matter    iv all of these

D. Matter that contain two or more constituent substances is called compound.

i. mixture    ii. compound    iii. element    iv. metalloid

E. Milk is an example of type of matter called homogeneous mixture.

i. solution    ii. homogeneous mixture    iii heterogeneous mixture    iv. suspension

F. Water, mercury and bromine are similar to each other, because three are liquids.

i. liquids    ii. compounds     iii. nonmetals    iv. elements.

G. valency of carbon is 4 and that of oxygen is 2. From this, we understand that there are 2 chemical bond/bonds between the carbon atom and one oxygen atom in the compound carbon dioxide.

i. 1    ii. 2    iii. 3     iv. 4