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Question 9 Naphthalene balls are obtained from coal tar and are used as (a) mosquito repellant (b) honeybee repellant (c) moth repellant (d) snake repellant

Answer» Question 9
Naphthalene balls are obtained from coal tar and are used as

(a) mosquito repellant
(b) honeybee repellant
(c) moth repellant
(d) snake repellant


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