A suspension of chalk in water can be prepared by;
(a) placing a piece of chalk in water.
(b) placing powdered chalk in water.
(c) placing powdered chalk in water and then vigrously shaking.
(d) placing powdered chalk in HCl.
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(c) placing powdered chalk in water and then vigrously shaking.
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Answer:
placing powdered chalk in water
Explanation:
because suspension sol is which remains suspended throughout bulk of medium
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