Elements and compounds Tnpsc notes

Elements and Compound for Tnpsc exams

Elements and Compounds in Chemistry Types of Pure Substances For a normal person, a pure substance means it is free from adulteration. Even Milk, Air, Water, etc. are not pure. In some cases, there are pure substances or single substances such as distilled water, sugar, baking soda, etc. Also Copper used for making electric wire … Read more

* * All the Notes in this blog, are referred from Tamil Nadu State Board Books and Samacheer Kalvi Books. Kindly check with the original Tamil Nadu state board books and Ncert Books.