Match the columns.
|column A||column B|
1. to separate grain from chaff
|2. to saparate sawdust from water||b. sedimentation and deeantation|
|3. to separate iodine from sodium chloride||c. winnowing|
|4. to separate iron fillings from sand||d.sublimation|
5. it is used to separate sand and water
|e maganetic separation|
(a) Define mixture.
(b) Why is it necessary to separate the constituents of a mixture.
(c) State four differences between compounds and mixtures.
Give one example for each of the following types of mixtures
(a) solid-solid homogenous mixture
(b) solid-liquid heterogenous mixture
(c) misicible liquids
(d) liquid-gas homogenous mixture
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these