Related Questions

পানির স্থায়ী খরতার জন্য কোনটি দায়ী নয়? (Which is not responsible for the permanent hardness of water?)
Presence of __________ hardness is responsible for the temporary hardness in water.
Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to
Which of the following processes can remove both temporary as well as permanent hardness of water?
The method that cannot be used for removing permanent hardness of water is
Permanent hardness of water may be removed by addition of
Permanent hardness of water can be removed by
Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?
Which of the following hardness tests uses the depth of penetration caused by the indentor as the parameter for arriving at the hardness value of a material ?