Characteristics of a chemical reaction when dilute sulphuric acid is made to react with marble chips
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1) Na2CO3 + 2 HCl --------> 2 NaCl + CO2 + H2O
2) Lemon juice converts purple colour of the potassium permanganate to colorless as it is acidic.
3) BaCl2 + H2SO4 --------> BaSO4 + 2HCl
4) CaO (s) + H2O (l)Ca(OH)2
i guess this will help you.
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