Challenger App

No.1 PSC Learning App

1M+ Downloads
Hard water contain

ACalcium

BMagnesium bicarbonates

CMagnesium bicarbonates

DAll the above

Answer:

D. All the above


Related Questions:

The rules and regulations covering the requirements of buildings, ensuring safety of the public through open space, minimum size and height of rooms and area limitation are known as
The opening in flat roof for lighting:
According to Indian Standard, total number of tolerance graders are:
BLACK എന്നത് 29 എന്ന് എഴുതാമങ്കിൽ GREEN എന്നത് എങ്ങനെ എഴുതാം?-
Area is expressed in