Chemistry
Write an ionic reaction at the electrodes during electroplating of silver over brass spoon after giving the ionisation of the electrolyte.
Related Questions
What do you observe when —
(i) Ammonia is passed over heated copper oxide.
(ii) Conc. H2SO4 is added to blue vitriol.
(iii) Acetylene is passed into bromine water.
(iv) NaCl is added to silver nitrate solution.
(v) Conc. HCl acid is exposed to atmosphere.
(i) Give 2 tests to distinguish between HCl solution and Ammonia solution.
(ii) Distinguish between MnO2 and CuO
Draw an electron dot diagram of :
(i) a non-polar hydrocarbon molecule.
(ii) a polar covalent molecule.
State three harmful effects of acid rain.