Question

To neutralize 200 ml of sample should not require more than 10 ml of __________ normal HCI using methyl orange.

(a) 1

(b) .1

(c) 10

(d) .01

The question was asked in an interview for job.

My question comes from Sampling topic in section Concrete Mix Design of Concrete Technology

Answer 1

Right choice is (b) .1

Best explanation: To neutralize 200 ml of water sample the value of 0.1 normal HCI using methyl orange as an indicator should not require more than 10 ml.