Generate CBSE Class 10 science Question Paper
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Sample Questions
- When 2 mL of sodium hydroxide solution is added to few pieces of granulated zinc in a test tube and then warmed, the reaction that occurs can be written in the form of a balanced chemical equation as:
- Select from the following a decomposition reaction in which source of energy for decomposition is light: $\mathbf{1}$
- A metal and a non-metal that exists in liquid state at the room temperature are respectively: 1
- Carbon compounds: (i) are good conductors of electricity. (ii) are bad conductors of electricity. (iii) have strong forces of attraction between their molecules. (iv) have weak forces of attraction be...
- Consider the following compounds: $\mathrm{FeSO}_{4} ; \mathrm{CuSO}_{4} ; \mathrm{CaSO}_{4} ; \mathrm{Na}_{2} \mathrm{CO}_{3}$ The compound having maximum number of water of crystallisation in its cr...