NCERT Solution for Class 10 Science Chapter 1
Chemical Reactions and Equations
Exercises Questions
Page No-15
Questions No-7
(a) Calcium hydroxide + Carbon dioxide ® Calcium carbonate + Water
(b) Zinc + Silver nitrate ® Zinc nitrate + Silver
(c) Aluminium + Copper chloride ® Aluminium chloride + Copper
(d) Barium chloride + Potassium sulphate ® Barium sulphate + Potassium chloride
(a) Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water
Ca(OH)2 + CO2 → CaCO3 + H2O
(b) Zinc + Silver nitrate → Zinc nitrate + Silver
Zn + AgNO3 → Zn(NO3)2 + Ag
(c) Aluminium + Copper chloride → Aluminium chloride + Copper
2Al + 3CuCl2 → 2AlCl3 + 3Cu
(d) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride
BaCl2 + K2SO4 → BaSO4 + 2KCl
(a) Ca(OH)₂+CO₂→CaCO₃+H₂O
(b) Zn+2AgNO₃→Zn(NO₃)₂+2Ag
(c) 2Al+3CuCl₂→2AlCl₃+3Cu
(d) BaCl₂+K₂SO4→BaSO₄+2KCl