Correct answer
B. 1.5 to 4.5
Explanation
The correct answer is 1.5 to 4.5.
Bituminous coal________?
Enthalpy of a gas depends upon its________?
Brown spots in fabrics will be caused by washing with water containing large amount of________?
Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?
The most convenient way of expressing solution concentration is in terms of________?
All pipes of a particular nominal size have the same________?