nbsp-is added to remove the hardness of water-NaHCO-3Na-2CO-3-10H-2OCaSO-4-1-2 H-2OCaOCl-2

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VII

Chemistry

Sodium Carbonate

nbsp;is added...

Question

is added to remove the hardness of water.

{NaHCO}_{3}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

{Na}_{2} {CO}_{3} .10 H_{2} O

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

{CaSO}_{4} .1 / 2 H_{2} O

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C a O C l_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B ${Na}_{2} {CO}_{3} .10 H_{2} O$
Adding ${Na}_{2} {CO}_{3} .10 H_{2} O$ (washing soda) to hard water softens it by removing the calcium and magnesium ions. It is extensively used in laundries.

Suggest Corrections

Similar questions

Q. is added to remove the hardness of water.

Q. Which of the following is added to remove permanent hardness of water?

Statement-1 : In clarks process excess of lime is not added to water sample to remove temporary hardness.
Statement-2 : Addition of excess of milk of lime causes permanent hardness.

Q. How much volume of 0.5N Na2CO3 must be added to remove hardness of 1L water containing 1.11 g CaCO3.

When washing soda is added to remove the permanent hardness of water it converts sulphates and chlorides into which of the following insoluble compound-

Join BYJU'S Learning Program

is added to remove the hardness of water.

The correct option is B Na2CO3.10H2OAdding Na2CO3.10H2O (washing soda) to hard water softens it by removing the calcium and magnesium ions. It is extensively used in laundries.

The correct option is B ${Na}_{2} {CO}_{3} .10 H_{2} O$
Adding ${Na}_{2} {CO}_{3} .10 H_{2} O$ (washing soda) to hard water softens it by removing the calcium and magnesium ions. It is extensively used in laundries.