Question

Exercises A. Tiek () the correct option in each case. The property used to separate a mixture by winnowing is a difference in colour by difference in weight c difference in size d. attraction by magnet 2. Iron fillings can be separated from sand with the help of a b. sieve d. separating funnel 3. The impurities left behind in the filter paper after filtration are a. magnet cfilter paper a. solute bsolvent c. residue d. filtrate 4. A common substance used in the process of loading is a. copper b. iron C, chalk d. alum 5. To kill germs in water, we add a chlorine b. hydrogen
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Answer 1

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