Zinc and copper are constituents of ________ solution.

Threshing

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Sieving

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Handpicking

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Winnowing

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Solution

The correct option is B
Sieving

Most of the solutions that we use are those in which a solid substance is dissolved in a liquid. But all solutions do not exist in the liquid state. Solutions also exist in solid and gaseous states. Zinc and copper are constituents of brass. It is an example of a solution that has solid dissolved in a solid.

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Similar questions

Q. Grains or seeds are separated form the stalk by
(a) hand-picking
(b) winnowing
(c) sieving
(d) threshing

Question 4
The term used for the process of separation of grains from the chaff is called
(a) sieving
(b) threshing
(c) winnowing
(d) hand picking

Q. Define the following with an example:
(i) Hand-picking
(ii) Winnowing
(iii) Threshing
(iv) Sieving

What is winnowing, sieving, threshing, hand picking

Question 6

While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?

(a) Threshing

(b) Sieving

(d) Filtration

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