basic concepts of chemistry

Chemical Formula | Difference between Empirical Formula and Molecular Formula – Chemistry Notes

What is Chemical Formula? The symbolic representation of a compound that shows elements in the compound and also the ratio of their atoms is called chemical formula. As elements are represented by symbols . Similarly, compounds are symbolically represented by chemical formulas . CHEMICAL FORMULAS : Calcium Carbonate = CaCO3 Water = H2O Sulphuric acid …

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Class 11 Chapter 1 Some Basic Concepts of Chemistry Important mcq with answers and Explanation

Multiple Choice Questions (MCQ’s) The simplest form of pure matter is Aqua Regia Natural Gas Metallic Copper Bleaching Powder Answer ) Metallic copper Brief Explanation : Metallic copper is the simplest form of pure matter, which consists of the same kind of copper atoms having the same atomic numbers and same chemical properties An impure …

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