Chemistry Galvanization is the : Deposition of tin on iron Deposition of aluminium on iron Deposition of copper on iron Deposition of zinc on iron Deposition of tin on iron Deposition of aluminium on iron Deposition of copper on iron Deposition of zinc on iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Sodium carbonate Potassium Permangante Alum Lime Sodium carbonate Potassium Permangante Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Calcium carbonate Magnesium sulphate Potassium chloride Sodium chloride Calcium carbonate Magnesium sulphate Potassium chloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Iron Titanium Aluminium Copper Iron Titanium Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Lithium Potassium Sodium Cadmium Lithium Potassium Sodium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of free energy A lowering of entropy An increase in Internal energy Increase in free energy A lowering of free energy A lowering of entropy An increase in Internal energy Increase in free energy ANSWER DOWNLOAD EXAMIANS APP
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