Write the chemical formulae of the following compounds in homework side.
Hydrogen, Oxygen, Nitrogen, Ammonia, Ammonium chloride, Hydrochloric acid, Sulphuric acid,Nitric acid, Carbonic acid, Hydrogen sulphide, Sodium hydroxide, Calcium hydroxide, Calcium Oxide, Carbon monoxide, Carbon dioxide, Water, Hydrogen chloride
Session:31
Write the chemical formulae of the following compounds in homework side.
Sodium chloride, Sodium carbonate, Sodium bicarbonate, Calcium carbonate, Copper carbonate, Copper sulphate, Copper oxide, Copper sulphide, Barium chloride, Nitrogen monoxide, Nitrogen dioxide, Sulphur dioxide,Sulphur trioxide, Potassium Iodide, Potassium chlorate, potassium chlori
Answers
Answer:
(a) Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)
2KBr(aq)+BaI2(aq)→2KI(aq)+BaBr2(s)
In this reaction, both the reactants exchanges ions to for two new products, hence, it is a double displacement reaction
(b) zinc carbonate(s) → Zinc oxide(s) + Carbon dioxide(g)
ZnCO3(s)→ZnO(s)+CO2(g)
In this reaction, a single substance yields two different product. hence, it is a decomposition reaction
(c) Hydrogen(g) + Chlorine(g) → Hydrogen chloride(g)
H2(g)+Cl2(g)→2HCl(g)
In this reaction, two different reactants react with each other to form a single product. Hence, it is called a combination reaction
(d) Magnesium(s) + Hydrochloric acid(aq) → Magnesium chloride(aq) + Hydrogen(g)
Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g)
In this reaction, more reactive Mg is replacing less reactive H. Hence, it is displacement reaction
Explanation:
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Answer:
A) H2, O2, N2, NH3, NH4Cl, HCl, H2SO4, HNO3, H2CO3, H2S, NaOH, Ca(OH)2, CaO, CO, CO2, H2O, HCl...
There above answers are in the order of the questions...
B) NaCl, Na2CO3, NaHCO3, CaCO3, CuCO3, CuSO4, CuO, CuS, BaCl2, NO, NO2, SO2, SO3, KI, KClO3,
KCl....