Teaching acids and alkalis in the lower secondary schools /

Veerasingam K.

Teaching acids and alkalis in the lower secondary schools / by K. Veerasingam. - Penang: SEAMEO Regional Centre for Edu. in Science and Mathematics, 1974. - 162 p. : ill. ; 28 cm. - RCC-1 .


Acids--Study and teaching.
Alkalies--Study and teaching.

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