Theory and problems of chemistry for class X with solved problems /
Katyal, M.
Theory and problems of chemistry for class X with solved problems / M. Katyal, R.K. Trikha. - New Delhi : Tatal McGraw-Hill, 1987. - 147 p. ; 23 cm.
Chemistry--Problems, exercises, etc.
540.7
Theory and problems of chemistry for class X with solved problems / M. Katyal, R.K. Trikha. - New Delhi : Tatal McGraw-Hill, 1987. - 147 p. ; 23 cm.
Chemistry--Problems, exercises, etc.
540.7