Which of the following separating method you will use to separate different size marbles?
a) hand sorting
b) sieving
c) chromatography
d) evaporation
Explanation:The food grains containing small pieces of stones are taken in a flat container. The pieces of stones are picked up from the grains by hands, one by one, and thrown away
Which
of the following separating method you will use to separate a large mixture of
sand with pebbles?
a) hand sorting
b) sieving
c) chromatography
d) evaporation
Explanation:This method of separation of particles from a mixture based on the difference in size of particles is known as sieving.
Which
of the following is not soluble in water and can be separated by filtration
method?
a) table salt
b)
table sugar
c) sand
d) caustic soda
During filtration, the substance which passes through filter paper is called…….
a) residue
b) filtrate
c) distillate
d) solid
Explanation:filtration: is a separation technique used to separate the components of a mixture containing an undissolved solid in a liquid by using a funnel lined with filter paper to retain the solids while letting the liquid through.
During filtration, the substance which does not pass through filter paper and deposits on it, is called…….
a) residue
b) filtrate
c) distillate
d) solid
Which of the following separating method you will use to separate a soluble solid from solvent?
a) hand sorting
b) distillation
c) chromatography
d) evaporation
Explanation:Evaporation can be used as a separation method to separate components of a mixture with a dissolved solid in a liquid.
