What happens when the nitrates of potassium, calcium, zin...
What happens when the nitrates of potassium, calcium, zinc and copper are separately heated?
All the nitrate will decompose to their respective metals
The nitrates of calcium and potassium will decomposes to their nitrites
Only copper nitrate decomposes to the metal
Only the nitrates of zinc and copper will decompose to their oxides
The nitrates of calcium, zinc and copper decompose to their oxides
Correct answer is E
The nitrates of calcium, zinc and copper decompose to their metal oxides
At the same temperature and pressure, 50 cm<sup>3</sup> of nitrogen gas contains the sam...
The function of conc. H2SO4 in the esterification of ethanoic acid with ethanol is to...
The number of Hydrogen ions in 1.0dm3 of 0.02moldm−3 tetraoxosulphate(VI) acid is &nbs...
The electronic configuration of an element is 1S2 2S2 2P6 3S2&nbs...
Which of the following roles does sodium chloride play in soap preparation? It ...
Ca(OH)2(s) + 2NH4Cl(s) → CaCl2(s) + 2H2O(l) + X. In the reaction above X is ...
Aluminium is used in the manufacture or aircraft because it ...