Which of the following mixtures would you be able to separate
using the method of filtration?
(a) Oil in water
(b) Cornflakes in milk
(c) Salt in water
(d) Sugar in milk
Boojho’s grandmother is suffering from diabetes. Her doctor
advised her to take ‘Lassi’ with less fat content. Which of the
following methods would be most appropriate for Boojho to
prepare it?
(a) Filtration
(b) Decantation
(c) Churning
(d) Winnowing
Paheli bought some vegetables such as french beans, lady’s
finger, green chillies, brinjals and potatoes all mixed in a bag.
Which of the following methods of separation would be most
appropriate for her to separate them?
(a) Winnowing
(b) Sieving
(c) Threshing
(d) Hand picking
Sugar, salt, mustard oil, sand, sawdust, honey, chalk powder, petals of flower, soil, copper sulphate crystals, glucose, wheat flour are some substances given to Paheli. She wants to know whether these substances are soluble in water or not. Help her in identifying soluble and insoluble substances in water.
Differentiate among opaque, translucent and transparent materials, giving one example of each.
Why do you think oxygen dissolved in water is important for the survival of aquatic animals and plants?
Chalk, iron nail, wood, aluminium, candle, cotton usually look
different from each other. Give some properties by which we
can prove that these materials are different.
Arrange the jumbled words to arrive at the appropriate names
of materials and also write two uses of each.
(a) milaunuim
(b) tcaslpi
(c) soekrnee
(d) gavnier
You are provided with the following materials— turmeric, honey, mustard oil, water, glucose, rice flour, groundnut oil.
Make any three pairs of substances where one substance is soluble in the other and any three pairs of substances where one substance remains insoluble in the other substances.
+91 94284 01196
© Copyright 2025. Doubtora. All Rights Reserved
