Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl red Methyl orange Phenolphthaline Methylene blue Methyl red Methyl orange Phenolphthaline Methylene blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used to melt metals Used to fuse two metals Used as an explosive Used as an abrasive Used to melt metals Used to fuse two metals Used as an explosive Used as an abrasive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Alum Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Eye disease Arthritis Kidney damage Hair falling Eye disease Arthritis Kidney damage Hair falling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Electron, proton Neutron, positron Neutron, electron Proton, neutron Electron, proton Neutron, positron Neutron, electron Proton, neutron ANSWER DOWNLOAD EXAMIANS APP
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