Chemistry, asked by nitesh7453, 1 year ago

calcium hydroxide cannot be used to removed permanent hardness of water. why?

Answers

Answered by kushal675

it reacts very fast with the water and when it is exposed it reacts with CO2 so washing soda the basic salt is used to remove permanent hardness of water. calcium hydroxide is not a product from common salt nacl

Previous Question

Next Question

Similar questions

Math, 7 months ago

the coordinates of the vertices of a triangle are (3,-7/2),(7/2,-1) and (5/2,3/2) show that area of the triangle is 15/8 square units.

Math, 7 months ago

If third number of the Pythagorean triplet is 10, which of these a the remaining members of the triplet...

Science, 7 months ago

Why do solids have a fixed shape?

Physics, 1 year ago

Q.14 A force of 6 N acts on a body of mass 1kg which was at rest initially. After applying force body attains a velocity 30 m/s in t second. Value of t is Choose answer: 7 s 5 s 10 s 8 s...

Math, 1 year ago

Swacha bharat swach vidyalay nibandh in marathi...

Science, 1 year ago

name the seed which is also used in its sprouted form...

Math, 1 year ago

a solid cube of side 12 cm is cut into eight cubes of equal volume.What will be the side of the new cube ? also , find the ratio between their surface areas...

Math, 1 year ago

3 x minus 5 by + 1 equal to zero solve by graphical method...