DPP

DPP – 10S12 BALANCING & Combination Reaction

DPP-10S12 BALANCING & Combination Reaction 1. Balance the following equations : Pb(NO3)2 → PbO + NO2 + O2 MnO2 + HCl →MnCl2  +  H2O + Cl2 H2S + O2→ H2O + SO2 Al2(SO4)3+ BaCl2 → AlCl3 + BaSO4 Al(OH)3  + (NH4)2SO4→ Al2(SO4)3 + NH4OH 2. A solution of a substance ‘X’ is used for whitewashing. (i) Name the substance ‘X’ and write its formula.

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DPP – 10S11 CHEMICAL EQUATION & BALANCING

DPP-10S11 CHEMICAL EQUATION & BALANCING     1. Write the chemical formula : Potassium Bromide Hydrogen Sulphide Aluminium Sulphate Ammonium Phosphate 2. Convert the following into Equations : Hydrogen sulphide gas burns in air to give water and sulphur dioxide. Barium chloride reacts with aluminium sulphate to give aluminium chloride and barium sulphate. Potassium bromide+ Barium

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