Class 6

Separation of Substances question bank (Science)

Practice 57 free Class 6 Science - Separation of Substances questions with answers and step-by-step solutions.

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Q1.

The method used to separate heavier components of the mixture from lighter husk particles by wind or blowing air is called:


(A)
Threshing
(B)
Winnowing
(C)
Sieving
(D)
Decantation
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Q2.

In the chapter 'Separation of Substances', which scientific principle governs 'Threshing, Winnowing, Sieving'?


(A)
Superstition and myth
(B)
Empirical evidence, conservation laws, and repeatable experimental observations in Threshing, Winnowing, Sieving
(C)
Aristotelian unverified claims
(D)
Random molecular movement without thermodynamics
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