Question

A vinegar containing 5 grams of acetic acid per 100 cubic centimeters is referred to as _____

(a) 0.5 grain

(b) 5 grain

(c) 50 grain

(d) 500 grain

This question was addressed to me in an interview.

My question is taken from Principles of Food Preservation by Fermentation-2 in portion Principles of Semi-Moist Foods, Principles of Food Preservation by Fermentation, Principles of Food Pickling and Curing and Principles of Food Storage Stability of Food Engineering

Answer 1

The correct option is (c) 50 grain

Explanation: A vinegar containing 5 grams of acetic acid per 100 cubic centimeters is referred to as 50 grain. Percentage times ten gives the strength of vinegar in grain. Hence 5*10=50.