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Explanation:
♡}Answer]♡
1. Ca(OH)2 + Co2 = CaCo3 + H2O.
2. In a chemical equation indicates the top.
3. Molecular weight of HCl is 36.46g/mol.
4. The reaction in which heart energy is absorbed is called endothermic reaction.
5. CH4 + 2O2 = CO2 + 2H2O.
6. Chemical changes are permanent changes.
7. Formula of propane is C3H8.
8. One of a gas at S.T.P occupies 22.4 litres.
9. PBL is called as Problem Based Learning.
10. Formula of barium chloride is BACl2.
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