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Which of the following oxides can be reduced by hydrogen?
An example of an acid salt is
The following diagram illustrates the rate curve that was obtained when Mg reacted with excess dilute HCl.
The diagram became horizontal at X because
Which of the following statements about intermolecular distances and cohesive forces between gas is correct? They are
When a reaction is endothermic,
Consider the following reaction equation:
C2H4(g) + 3O2(g) \(\to\) 2CO2(g) + 2H2O(g)
The volume of CO2(g) produced at s.t.p when 0.05 moles of C2H4(g) was burnt in O2(g) is
[Molar Volume of gas = 22.4dm3
To which group and period respectively does an element with 15 electrons belong?