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Which of the following compounds will form a solution if exposed to air?

Which of the following compounds will form a solution if exposed to air?

  • A. Na2CO3.10H2O
  • B. NaNO3
  • C. CuSO4
  • D. CaCl2
  • E. Na2SO4.10H2O
Correct Answer: Option D
Explanation

Calcium chloride is a deliquescent substance. It attracts water from the atmosphere and then forms a solution.


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Contributions (18)

Ifa4sure
6 years ago
Calcium chloride is correct because it will turn to solution when expose to air {deliquescence} while NaNo3 is wrong because it is hygroscopy which merely become sticky
Aderayo77
2 years ago
Calcium chloride is deliquescent
Veceeblast
10 months ago
dat is right
amaechi unya
6 years ago
yes bcus 02 is not in de comp cacl2
I think the correct answer suppose to be Nacl
Ifa4sure
6 years ago
Calcium chloride will turn to solution when expose to air {deliquescence} while NaNo3 is hygroscopy which merely become sticky
jaystar45a
3 years ago
Hi
Gods Gift
6 years ago
Why do you say Nacl?
Mr.Man
7 years ago
Datz correct
Greatfred
6 years ago
Ya .d ans is cacl .cos it wil react with O2 to form CaO nd liberating chlorine gas.nd u knw ca wil displace cl nd O2 in d reactivity series
Precious
7 months ago
Explanation are necessary,but are not given in most questions,why
thobhi
1 year ago
yea,calcium chloride is deliquenscence.Therefore,option D is correct....mind u,sodium trioxonitrate(v) is hygroscopy
kasielu
5 years ago
cacl & NaNO3 are hygroscopic salts; but CuSo4 is deliquescent, cos wen react with H2o forms CuO & H2SO4,so C is d answer.
Oshobu
2 years ago
CaCl2 is hygroscopic because it used to absorb water from chemical reaction while CuSO4 is deliquescent because it react with water to form Anhydrous Copper Sulphate (e.g CuSO4.10H2O). So the correct answer is D
Haryenco4ril
7 years ago
NaNO3 is not used in making gunpowder cos it's deliquescent nd so it will turn 2 solution while CaCl2 is hygroscopic nd used as drying agent
  • Alexavier: Dude you wrong, calcium chloride is deliquescence.
    Like 1    Dislike 0   5 years ago
  • cyberformz: CaCl2 z deliquescent bt NaNO3 is hygroscopic . All deliquescent form soln on exposure to air while hygroscopic substances dn nt form soln bt rada et bcums sticky . Na2CO3.10H2O(washin -soda) z effloresent i.e et loses nine water of crystalisatn on exposure to air to form soda-ash
    Like 1    Dislike 0   4 years ago

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