Which chemical is used in the coating of timber surface in Sir Abel’s process?
(a) Dilute solution of sodium silicate
(b) Concenterated solution of sodium silicate
(c) Dilute solution of aluminium nitrate
(d) Concenterated solution of aluminium nitrate
I had been asked this question in an online interview.
Question is taken from Timber Partitions in section Cavity Walls & Partition Walls of Construction & Building Materials