When sodium ethanoate is treated with a few drops of concentrated tetraoxosulphate(vi)acid. one of the…
When sodium ethanoate is treated with a few drops of concentrated tetraoxosulphate(vi)acid. one of the products is A.…
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From the above diagram; The caustic soda in the conical flask serves to
From the above diagram; The caustic soda in the conical flask serves to A. dry ethene gas B.…
MnO4(aq) + 8H + 5Fe2+ (to) Mn2+(aq) + 5Fe3+(aq) + H2O. The oxidation number of…
MnO4(aq) + 8H + 5Fe2+ (to) Mn2+(aq) + 5Fe3+(aq) + H2O. The oxidation number of maganese in the…
The principle of column chromatography is based on the ability of the constituents to
The principle of column chromatography is based on the ability of the constituents to A. move at different…
Zn(s) + CuSO4(aq) ( to ) ZnSO4(aq) + Cu(s) In the reaction above, the oxidizing…
Zn(s) + CuSO4(aq) ( to ) ZnSO4(aq) + Cu(s) In the reaction above, the oxidizing agent is A.…
How many unpaired electron are in the p-orbitals of a fluorine atom?
How many unpaired electron are in the p-orbitals of a fluorine atom? A. 3 B. ( 0 )…
The radioactive emission with the least ionization power is
The radioactive emission with the least ionization power is A. ( alpha – particles ) B. X-rays C.…
The following equations represent redox reactions EXCEPT
The following equations represent redox reactions EXCEPT A. Ba2+(aq) + SO2-4 (aq) → BaSO4(s) B. Cl2(g) + 2Br–…
What volume of carbon (IV) oxide in dm 3 is produced at s.t.p. when 2.50g…
What volume of carbon (IV) oxide in dm 3 is produced at s.t.p. when 2.50g of CaCO3 reacts…
Which of the following gases is absorbed from the air dun photosynthesis?
Which of the following gases is absorbed from the air dun photosynthesis? A. Carbon (II) oxide B. Carbon…