Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Electroplating Hot dipping Tinning Galvanising Electroplating Hot dipping Tinning Galvanising ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Alloy formation Zinc plating Galvanization Vulcanization Alloy formation Zinc plating Galvanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Remains same Is decreased Is increased Will slowly increase and then it will decrease Remains same Is decreased Is increased Will slowly increase and then it will decrease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon monoxide Oxides of nitrogen Oxides of sulphur Carbon dioxide Carbon monoxide Oxides of nitrogen Oxides of sulphur Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleus of an atom consists of. Proton Electron, Proton and Neutron Neutron Proton and Neutron Proton Electron, Proton and Neutron Neutron Proton and Neutron ANSWER DOWNLOAD EXAMIANS APP
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