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Properties of Water

How would you...

Question

How would you distinguish between the following set of compounds?
zinc chloride and calcium chloride

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Solution

Use flame test to identify them

zinc burns with blue-green to pale green color so zinc chloride burns with blue-green color

and calcium gives orange-red flame and calcium chloride will burn with orange-red flame.

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(b) Zinc nitrate solution from calcium nitrate solution.
(c) Iron (II) chloride from Iron (III) chloride.

Q. Give one chemical test to distinguish between the following pairs of compounds:
(i) Zinc sulphate solution and zinc chloride solution.
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1. Calcium 2. Zinc 3. Lead 4. Copper are strongly heated.

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