2384Chemical EngineeringMedium
Permanent hardness of water can be removed by________?
ABoiling
BNone of these
CBoiling it with Na2CO3
DAdding Ca(OH)2
Correct answer
C. Boiling it with Na2CO3
Explanation
The correct answer is Boiling it with Na2CO3.
Correct answer
C. Boiling it with Na2CO3
Explanation
The correct answer is Boiling it with Na2CO3.
The dimension of surface tension is________?
Addition of silicon to cast iron ________?
How many molecules per unit cell are there in a face centred cubic lattice?
Insulating refractories should have________?
Pick out the correct statement?
________ are mixed using ribbon blenders?