Question

EXERCISES
b. To remove undesirable components
d. All of the above
a. Sieving
Threshing
3.
a. Sieving
c. Threshing
b. Winnowing
d. Magnetic separation
is used to separate a mocture of wheat and husk
b. Winnowing
d. Magnetic separation
a. Magnetic separation
C. Evaporation
b. Sedimentation
d. Decantation
a. Sedimentation
c. Filtration
b. Decantation
d. Both a &b
b. Separating funnel
d. Evaporation
a. Sublimation
Filtration
B. Fill in the blanks:
1. Ais made up of only one kind of particles while a is made up oftwo or more components.
2. Solution is one in which no more solute Can be dissolved.
4. Separating funnel is used to separate two liquids.
5. The solution in which more solute can still be dissolved is called an Solution.
6. The amount of sugar which can be dissolved in water
with the increase of temperature,
C. Alternative Response Type:
State True or False :
The heavy solid particles which settle down at the bottom during decantation are called flitrate.
The material left behind during the process of filtration, is called residue.
State Yes or No:
1. Can sand grains be used as a filter?
2. Can two immiscible liquids be separated by filtration ?
1. The mixtures having more than two components are separated using more than one method.
2. Iron filings and saw dust can be separated by magnetic separation.
State Right or wrong:
D. Analogy Type:
1. a. Separation of solid from liquid : Filtration
b. Separating the liquid component of a mixture :
A. Multiple Choice Questions:
1. We need to separate a mocture
To remove harmful components
c. To obtain useful components
5. Impurities settled down at the bottom when muddy water was kept overnight in a bucket. The clear water was
then poured off from the top. Which method of separation is used in this example?
2. The method of separating seeds of paddy from their stalks is called
4. Salt is obtained from sea water by the process of
6. A mixture of mustard oil and water can be separated by​

Answer 1

What is this????

I mean ur question is having no order..

u should have given gap after each question...it's such a mess

try posting it again.....in order!!