Advertisements
Advertisements
प्रश्न
Is air a mixture or a compound ? Give three reasons for your answer.
Advertisements
उत्तर
Air is a mixture because:
- it consists of different gases (and some dust),
- its composition is not fixed, and
- it can be split into its components.
APPEARS IN
संबंधित प्रश्न
Choose the solutions from among the following mixtures :
Soil, Sea-water, Air, Coal, Soda-water
Give reason:
Why do sugar and water retain their individual properties in a sugar solution?
Give reason:
Why do petrol and water form a heterogeneous mixture?
Give two examples of the following type of mixture.
solid-solid
Give two examples of the following type of mixture.
gas-gas
Fill in the blanks
___________is a process to obtain a very pure form of a solid dissolved in a liquid.
State the principle involved in separation of solid-solid mixtures by Sublimation
Name the following:
The component of a naphthalene-sodium chloride mixture, which remains in the evaporating dish when heated together, covered with a funnel.
A mixture of chloroform and water are taken in a separating funnel is mixed and left undisturbed for some time. The upper layer in the separating funnel will be of ______ and the lower layer will be that of ______.
The salt solution is an example of a heterogeneous mixture.
