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CBSE Class 10 Answered

Write the word equations below as chemical equations and balance: 

1) Zinc and lead (II) nitrate react to form zinc nitrate and lead. 

2) Aluminum bromide and chlorine gas react to form aluminum chloride and bromine gas. 

3) Sodium phosphate and calcium chloride react to form calcium phosphate and sodium chloride. 

4) Potassium metal and chlorine gas combine to form potassium chloride. 

5) Aluminum and hydrochloric acid react to form aluminum chloride and hydrogen gas. 

6) Calcium hydroxide and phosphoric acid react to form calcium phosphate and water. 

7) Copper and sulfuric acid react to form copper (II) sulfate and water and sulfur dioxide. 

8) Hydrogen gas and nitrogen monoxide react to form water and nitrogen gas. 

Asked by ENGLISH DSOUZA | 18 May, 2014, 11:56: AM
answered-by-expert Expert Answer

1) 2 Zn + Pb(NO3)22 ZnNO3 + Pb

2) 2 AlBr3 + 3 Cl22 AlCl3 + 3 Br2

3) 2 Na3PO4 + 3 CaCl2 → Ca3(PO4)2 + 6 NaCl

4) 2 K + Cl2 ↑ → 2 KCl

5) 2 Al + 6 HCl → 2 AlCl3 + 3 H2

6) 3 Ca(OH)2 + 2 H3PO4 → Ca3(PO4)2 + 6 H2O

7) Cu + 2 H2SO4 → CuSO4 + 2 H2O + SO2

8) 2 H2 ↑ + 2 NO → 2 H2O + N2

Answered by Hanisha Vyas | 19 May, 2014, 10:48: AM
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