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Acids, Bases and Salts — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryAcids, Bases and Salts3 Marks
Question
Choosing only substances from the list given in the box below, write equations for the reactions which you would use in the laboratory to obtain:
  1. Sodiumsulphate
  2. Coppersulphate
  3. Iron(II)sulphate
  4. Zinc carbonate
Dilute sulphuric acid Copper Copper carbonate
  Iron Sodium carbonate
  Sodium  
  Zinc  
✓

Answer

$a. Na_2CO_3 + H_2SO_4 (dil) \rightarrow Na_2SO_4 + H_2O + CO_2$
$b. CuCO_3 + H_2SO_4 (dil) \rightarrow CuSO_4 + H_2O + CO_2$
$c. Fe + H_2SO_4 (dil) \rightarrow FeSO_4 + H_2$
$d. Zn + H_2SO_4 (dil) \rightarrow ZnSO_4 + H_2$
$ZnSO_4 + Na_2CO_3 \rightarrow ZnCO_3 + Na_2SO_4$

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