demonstrate the softening of the permanent and temporary hard water

Question 1

define hard water

Answer 1

water will bicarbonate of Mg ,Ca and chloride and sulfate

Question 2

what is the reason for the permanent hardness water

Answer 2

due to the presence of chloride and sulfate of Mg and Ca

Question 3

describe the disadvantages of hard water

Answer 3

it doesn’t fulfill our thirst, if drink oftenly can cause kidney stones, it doesn’t produce lather, so it can utilize more soap.

Question 4

is hard water good for drinking

Answer 4

No hard water is not good for drinking

Question 5

name reagent used to remove permanent hardness of water

Answer 5

NaCO3————–»Sodium carbonate

Question 6

how will you remove temporary hardness of water

Answer 6

by boiling so that bicarbonate can decompose using Clarks method

Question 7

a sample of water was found to contain calcium bicarbonate , what kind of carbonate it have

Answer 7

permanent hardness

Question 8

can we remove permanent hardness of water by distillation

Answer 8

yes

Question 9

write the main source of water pollution

Answer 9

industrial waste, sewage

temporary hardness is due to presence of bicarbonates