Mercury is the metal that exists:
A. LiquidB. GasC. PlasmaD. Solid
solved chemistry mcqs pdf
Since the solubility of CuSO4 in water increases with rising of temperature means that this process;
A. is neither exothermic nor endothermicB. is exothermicC. is endothermicD. Cannot take place at room temperature
Who proposed the concept of the orbit of an electron around the nucleus?
A. PlanckB. BohrC. RutherfordD. Stoney