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WorksheetsSoluble substance
Total questions: 10
Worksheet time: 9mins
Which of the following is a heterogeneous mixture
Puree
Orange juice
Fruit salad
Chocolate
Which of the following is an element
Sodium chloride
Silver oxide
Carbon
Silver bromide
Which of the following is a pure substance
coffee
Juice
Water
Air
What are the two ways to separate salt from water
(a)
what are the main factors deciding the rate of evaporation
(a)
Why is water in earthen pots cooler than water in steel pot
It is porous
it is brown in colour
the water takes the heat inside and outside to evaporate
It is not a good conductor of heat
Why does perfume make you feel cold
As it evaporate extremely fast
As it is stored in bottles
Takes heat from body
It has strong fragrance
What processes are there in distillation
Evaporation and sedimentation
condensation and sieving
Evaporation and condensation
Filtration and sedimentation
What means super saturated and saturated
a solution with solute that dissolves until it is unable to dissolve any more
solution with undisolve solute
Solution containing more solute than it can normally hold at a given temperate
solution With crystals
Which is the device used for separating immiscible liquids
Separating funnel
Filter paper
Sieve
Winnowing basket
