Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Temporary hardness and permanent hardness in water can be removed respectively by the addition of

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

CaO, CaCO3

b

CaO, Na2CO3

c

Na2CO3, CaO

d

NaHCO3, CaCl2

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

Temporary hardness is due to dissolved HCO3- of Ca2+ and Mg2+CaHCO32+CaO⟶2CaCO3+H2OPermanent hardness is due to dissolved Cl−and SO42− of Ca2+and Mg2+CaCl2+Na2CO3⟶CaCO3↓+2NaCl CaSO4+Na2CO3⟶CaCO3↓+Na2SO4
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring