A sample of temporary hard water can be prepared in the laboratory by?

a

disolving calcium chloride in distilled water

b

saturating lime water with carbon (IV) oxide

c

saturating distilled water with calcium hydroxide

d

dissolving sodium hydrogen trioxocarbonate (IV) in some distilled water

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Correct Option
b

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Discussions (8)

SLAZE5
1 year ago

Oh, so that milky solution is actually temporary hard water, interesting ✍🏿

Minenoch
1 year ago

So is it the CaHCO3 that makes hard water or CaCO3

Ayo88
1 year ago

pls explain

Mirahtims
3 months ago

oh 👍
.

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