If two metallic ions of the same concentration migrate to a graphite cathode, the one…
If two metallic ions of the same concentration migrate to a graphite cathode, the one that would be…
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When concentrated sodium chloride solution is electrolysed using inert electrodes the products are
When concentrated sodium chloride solution is electrolysed using inert electrodes the products are A. oxygen and hydrogen B.…
Which of the following processes takes place during the production of margarine from vegetable oils?
Which of the following processes takes place during the production of margarine from vegetable oils? A. Esterification B.…
CuSO4 5H2O can be obtained from an aqueous solution of copper (ll) tetraoxosulphate (VI) by
CuSO4 5H2O can be obtained from an aqueous solution of copper (ll) tetraoxosulphate (VI) by A. evaporation to…
A visible change is observed when a strip of iron is placed in an aqueous…
A visible change is observed when a strip of iron is placed in an aqueous solution of A.…
Consider the following equation; Cr2O7(aq)2- + 14H+(aq) + 6e- → 2Cr3+(aq) + 7H2O(I). The oxidation…
Consider the following equation; Cr2O7(aq)2- + 14H+(aq) + 6e– → 2Cr3+(aq) + 7H2O(I). The oxidation number of chromium…
Which of the following salt solutions will have a pH greater than 7?
Which of the following salt solutions will have a pH greater than 7? A. NaCl(aq) B. Na2CO3(aq) C.…
What will happen if more heat is applied to the following system at equilibrium? X2(g)…
What will happen if more heat is applied to the following system at equilibrium? X2(g) + 3Y 2(g)…
Equal amounts of marble chips are reacted separately with 100cm3 of hydrochloric acid of different…
Equal amounts of marble chips are reacted separately with 100cm3 of hydrochloric acid of different concentrations . if…
Which of the following acids forms normal salts only?
Which of the following acids forms normal salts only? A. Tetraoxosulphate (VI) acid B. Trioxosulphate (IV) acid C.…