The chemical heptachlor in anti-termite proofing has concentration by weight of:
The chemical heptachlor in anti-termite proofing has concentration by weight of: Correct Answer 0.5%
The anti-termite chemicals in water emulsion can be any of aldrin, heptachlor and chlordane. Aldrin and heptachlor have concentration by weight of 0.5% and chlordane of 1%.