Science - Class 6 (C ...

Q19. How will you separate husk or dirt particles from a given sample of pulses before cooking?

Q20. What is sieving? Where is it used?

Q21. How will you separate sand and water from their mixture?

Q22. Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?

Q23. Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?

Q24. How would you obtain clear water from a sample of muddy water?

Q25. How will you separate the components of the following?

      a.   Green Chillies from pulao - __________________________

      b.   Green gram from Chick pea - ________________________

      c.   Pebbles from rice - _________________________

      d.   Tea leaves from tea - _________________________

      e.   Wheat bran from wheat flour - ________________________

      f.    Sand and husk - _________________________

      g.   Wheat, sugar and stalks - __________________________

      h.   Water and kerosene - _________________________

      i.     Rice and sugar - ______________________________