While preparing whitewash, up to how many grams of ultra-marine blue is added per kg of lime?
(a) 3 gm
(b) 30 gm
(c) 200 gm
(d) 300 gm
The question was posed to me by my school principal while I was bunking the class.
Question is from Distempering in portion Painting, Varnishing, Distempering, etc of Construction & Building Materials