D: Sea water is a compound.
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Element X has the electronic structure 2,8,5. Element Y has the electronic structure 2,8,7. What is the likely formul…
A covalent bond is formed by
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Three different beakers are set up as shown. In beaker 1 metal W is displaced from solution. In beaker 2 metal X is d…
Which gases are formed during the production of aluminium by electrolysis of molten aluminium oxide?
Which pair of gases could be removed from the atmosphere using calcium carbonate?