Question

Something to know
A. Fill in the blanks.
1. A substance which dissolves completely in 3 OO
2. The substance, that dissolves in a medium to form a 6
in water
3. Mustard oil is
4. Aquatic animals breathe the
5. Change of a liquid into its vapour form is calles
6. Condensation is the process of change of vecours into
artements​

Answer 1

1. A substance which dissolves completely called soluble.

2. The substance, that dissolves in a medium to form a solvent

3. Mustard oil is an essential oil resulting from grinding the seeds, mixing them with water, and extracting the resulting volatile oil by distillation.

4.Aquatic animals may breathe air or extract oxygen that dissolved in water through specialised organs called gills, or directly through the skin.

5.Change of a liquid into its vapour form is called boiling.

6. Condensation is the process by which water vapor from the atmosphere changed into liquid water by loss of some energy.