Worksheet: Methods of Separation in Everyday Life

Multiple Choice Questions (MCQs)

Q1: What is handpicking used for?
(a) Separating liquids from solids
(b) Separating small quantities of substances based on size and shape
(c) Separating grains from stalks
(d) Separating magnetic substances

Q2: Which method uses wind to separate lighter particles?
(a) Sieving
(b) Threshing
(c) Winnowing
(d) Filtration

Q3: What is the purpose of evaporation in separation techniques?
(a) To separate insoluble solids from liquids
(b) To convert liquid into vapor and separate dissolved solids
(c) To remove larger particles from smaller ones
(d) To separate grains from husk

Q4: Which of the following is NOT a method of separation?
(a) Churning
(b) Sedimentation
(c) Compression
(d) Filtration

Q5: What does a thresher do?
(a) Separates liquids from solids
(b) Separates grains from stalks
(c) Separates husk from grains
(d) Separates small stones from wheat

Fill in the Blanks

Q1: The process of separating grains from husk using wind is called __________.

Q2: __________ is used to separate lighter components from heavier ones by agitating a mixture.

Q3: In __________, heavier particles settle down at the bottom of a liquid.

Q4: __________ involves using a filter to remove insoluble solids from liquids.

Q5: To obtain salt from seawater, the process of __________ is used.

True or False

Q1: Handpicking is a method used for separating large quantities of substances.

Q2: Sieving allows larger particles to pass through while trapping smaller particles.

Q3: Threshing is the process of separating grains from their stalks.

Q4: Magnetic separation can be used to separate non-magnetic substances from magnetic ones.

Q5: Winnowing is an effective method for separating heavier grains from lighter chaff.

Match the Following