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ZnCO3 → ZnO + CO2
Decomposition reaction
Pb + CuCl2 → PbCl2 + Cu
Displacement reaction
H2 + Cl2 → 2HCl
Combination reaction
Fe2O3 + 2Al → Al2O3 + 2Fe
Displacement reaction
3H2 +N2 → 2NH3
Combination reaction
Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and solid iodine. Identify the type of reaction:
Displacement reaction
Mg(s)+Cl2(g)→MgCl2(s)
Combination reaction
HgO(s)Heat−−→Hg(l)+O2(g)
Decomposition reaction
Na(s)+S(s)Fuse−−→Na2S(s)
Combination reaction
TiCl4(l)+Mg(s)→Ti(s)+MgCl2(s)
Displacement reaction
CaO(s)+SiO2(s)→CaSiO3(s)
Combination reaction
H2O2(l)UV−−→H2O(l)+O2(g)
Decomposition reaction
When hydrogen sulphide gas is passed through a blue solution of copper sulphate, a black precipitate of copper sulphide is obtained and the sulphuric acid so formed remains in the solution. The reaction is an example of a
Double displacement reaction.CuSO4 + H2S → CuS + H2SO4 (CBSE BOARD PAPER 2020)
Zinc reacts with silver nitrate to produce zinc nitrate and silver.Write the balanced equation. Also identify the reaction type.
displacement reaction.
Write one equation for decomposition reactions where energy is supplied in the form of either heat,electricity and light.(only one)
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What is observed when a solution of potassium iodide solution is added to a solution of lead nitrate? Name the type of reaction. Write a balanced chemical equation to represent the above chemical reaction.
Pb( NO3)2 (aq) + 2KI (aq) —-> Pbl2 (s) + 2KNO3 (aq) Double displacement reaction.
