Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder None of these Aluminium powder Aluminium sulphate Solder None of these Aluminium powder Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Silver iodide Sodium thiosulphate Sodium nitrate Silver nitrate Silver iodide Sodium thiosulphate Sodium nitrate Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: An increase in Internal energy A lowering of free energy Increase in free energy A lowering of entropy An increase in Internal energy A lowering of free energy Increase in free energy A lowering of entropy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Threshold energy Free energy Internal energy Activation energy Threshold energy Free energy Internal energy Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Decane and decanol Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Silicon Graphite Sodium Phosphorus Silicon Graphite Sodium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS