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

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
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!

whats app icon