(a) State two factors on which surface tension depends. (b) How can mosquito larvae be...
PHYSICS
WAEC 2017
(a) State two factors on which surface tension depends.
(b) How can mosquito larvae be made to sink in stagnant water?
Explanation
(a)(i) Purity of liquid
(ii) Temperature of liquid
(iii) Nature / type of liquid.
(b) Mosquito larvae can be made to sink by the addition of any of;
(i) Detergent / Soap
(ii) Alcohol
(iii) Heat
(iv) Camphor .
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