When temporary hard water is boiled for sometime in a kettle, the inner surface of the kettle becomes coated with a deposit of

a

calcium tetraoxosulphate(VI)

b

calcium trioxocarbonate (IV)

c

calcium hydrogentrioxocarbonate (IV)

d

aluminium trioxocarbonate (IV)

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Explanation

Correct Option
b

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Discussions (9)

Messi333333
4 years ago

Ca(HCO3)2 present in temporarily hard water decomposes into CaCO3 when heated. CaCO3 is therefore the deposit produced when the hard water is boiled for some time in a kettle. The correct option is B
So my school is very correct.✔️✔️

tyjesma
11 years ago

Admin is right

badformular
10 years ago

caco is d ansa,when heated caco precipitates alongside water and co2

Abdullahi113
1 year ago

I think C is the correct answer

Martins patrick
11 years ago

c is d correct ans

Plateaus
5 years ago

C is the correct answer

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