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Subject :NSO    Class : Class 6

Take 10 mL of water in 6 test tubes each and add different samples of substances to each test tube as shown in the given figure. Shake the test tubes vigorously for a couple of seconds and leave them undisturbed. In which of these test tubes, sample substances will remain insoluble in water?


A 1, 2 and 3
B 2, 3 and 4
C 3, 4 and 5
D 4, 5 and 6


C is correct

Ans 1:

Class : Class 7
Sugar ,salt and washing powder are soluble in water while sand ,chalk powder and saw dust are insoluble in water.

Ans 2:

Class : Class 6
is washing powder soluble

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