Write balanced chemical equation for …
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Write balanced chemical equation for the following statements:
(i) NaOH solution is heated with zinc granules.
(ii) Excess of carbon dioxide gas is passed through lime water.
(iii) Dilute sulphuric acid reacts with sodium carbonate.
(iv) Egg shells are dropped in hydrochloric acid.
(v) Copper (II) oxide reacts with dilute hydrochloric acid.
Posted by Vivek Kr 6 years, 8 months ago
- 1 answers
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Chanika Bhambri 6 years, 8 months ago
(i)2NaOH(aq) + Zn(s) -> Na2ZnO2 + H2(g)
(ii) CO2 + Ca(OH)2 -> CaCO3 (milky)+H2O
CaCO3 + H2O +CO2 -> Ca (HCO3)2 (milkiness disappears)
(iii) H2SO4 + Na2CO3 -> Na2SO4 + H2O +CO2
(iv) CaCO3 + 2HCl -> CaCl2 +H2O+CO2
(v) CuO + 2HCl -> CuCl2 + H2O
2Thank You