JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 20
question_answer
10 L of hard water required \[0.56\text{ }g\]of lime \[(CaO)\] for removing hardness. Hence, temporary hardness in ppm (part per million,\[{{10}^{6}}\]) of \[CaC{{O}_{3}}\] is _______.