Permanent hardness of water is caused by the presence of – McqOptions

MCQOPTIONS

1.	Permanent hardness of water is caused by the presence of
A.	carbonates of sodium and potassium
B.	bicarbonates of calcium and magnesium
C.	phosphates of sodium and potassium
D.	chlorides and sulfates of calcium and magnesium
Answer» E.

Discussion

No Comment Found

Related MCQs

India is set to produce _______ MT of foodgrains in 2017-2018 crop year, according to Agriculture Ministry.
The government has targeted how many million tonnes of mustard production by 2025-26?
What was the targeted Ground Level Credit for agriculture & allied sectors set for 2021-22?
India has set up its first centre for wetland conservation in which city?
How many additional minor forest produce items were included in minimum support price list by the Tribal Affairs Ministry?
National Bank for Agriculture and Rural Development has sanctioned how much fund to West Bengal to reconstruct infrastructure which was damaged by Cyclone Amphan?
Who signed MoU with NABARD for sustainable agriculture?
The former football player Fernando Ricksen passed away recently. He belongs to which country?
The latest Railway zone of India is Headquartered at ________?
Veteran agriculture scientist M S Swaminathan received an honorary medallion from this country for his contribution towards the development of agricultural practices.