Electrolysis is applied in the following processes except
Electrolysis is applied in the following processes except A. electroplating B. extraction of aluminium C. extraction of iron…
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The oxidation number of iodine in the iodate ion (IO -3) is
The oxidation number of iodine in the iodate ion (IO –3) is A. -5 B. -1 C. +1…
Metals can be extracted from their ores by a process involving
Metals can be extracted from their ores by a process involving A. reduction B. oxidation C. hydrolysis D.…
Which of the following compounds absorbs moisture from the atmosphere and dissolves in it?
Which of the following compounds absorbs moisture from the atmosphere and dissolves in it? A. FeCI3 B. MgSO4.7H2O…
Consider the reaction represented by the equation: 2SO(_{2(g)}) + O(_{2(g)}) ⇌ 2SO(_{3(g)}); ∆H = -…
Consider the reaction represented by the equation: 2SO(_{2(g)}) + O(_{2(g)}) ⇌ 2SO(_{3(g)}); ∆H = – 197 kJmol(^{-1}). Which…
Which of the following aqueous methods cannot be used to distinguish between a strong acid…
Which of the following aqueous methods cannot be used to distinguish between a strong acid and a a…
The indicator used in neutralizing CH3COOH and NaOH solution has pH range of
The indicator used in neutralizing CH3COOH and NaOH solution has pH range of A. 3-5 B. 7-8 C.…
When aqueous ammonia is added to one of the following solutions,a white precipitate which dissolved…
When aqueous ammonia is added to one of the following solutions,a white precipitate which dissolved in excess ammonia…
If 1 mole of sodium contains 6 x 1023 atoms, how many atoms are contained…
If 1 mole of sodium contains 6 x 1023 atoms, how many atoms are contained in 0.6 g…
If 20 cm3 of distilled water is added to 80cm 3 of 0. 50 mol…
If 20 cm3 of distilled water is added to 80cm 3 of 0. 50 mol dm-3 hydrochloric acid,…