Permanent hardness of water may be removed by the additio...
Permanent hardness of water may be removed by the addition of
lime
soda ash
potassium permagnate
sodium bicarbonate
Correct answer is B
No explanation has been provided for this answer.
Which is true about rennet? ...
The enzyme used to reduce bitterness of grapes commonly contains ...
Which of the following mainly serve to convert starch into high fructose corn syrup (HFCS)? ...
Hardness of water does not ...
Sanitizer used specifically for vitreous enamel are ...
The methods used for biological treatment are ...
Lagoons may be characterized as ...
Hersperidinase is used for ...