The chemical heptachlor in anti-termite proofing has concentration by weight of:(a) 0.5%(b) 0.1%(c) 0.3%(d) 0.2%This question was addressed to me by my school teacher while I was bunking the class.This intriguing question comes from Building Maintenance topic in chapter Building Construction of Basic Civil Engineering

The chemical heptachlor in anti-termite proofing has concentration by

1.	The chemical heptachlor in anti-termite proofing has concentration by weight of:(a) 0.5%(b) 0.1%(c) 0.3%(d) 0.2%This question was addressed to me by my school teacher while I was bunking the class.This intriguing question comes from Building Maintenance topic in chapter Building Construction of Basic Civil Engineering
Answer» RIGHT option is (a) 0.5% EXPLANATION: 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%.

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