A sample of hard water is heated in a utensil. A white deposit ofcalcium carbonate is formed. This is due to the presence of:
A
calcium chloride
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
magnesium sulphate
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
calcium bicarbonate
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
calcium hydroxide
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C calcium bicarbonate Hard water contains magnesium and calcium bicarbonates.So when it is heated Ca2+ ions react with bicarbonate ions to form calcium carbonate