Selina ICSE Solutions for Class 9 Chemistry - Elements, Compounds and Mixtures ICSE SolutionsSelina ICSE SolutionsDownload Formulae Handbook For ICSE Class 9 and 10Selina ICSE Solutions for Class 9 Chemistry Chapter 3 Elements, Compounds and MixturesExercise 3(A)Solution 1.An element is a pure substance composed of only one kind of atom. Example: C, H, O, … [Read more...] about Selina ICSE Solutions for Class 9 Chemistry – Elements, Compounds and Mixtures