Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal High calorific value High flammability Low reactivity with metal Ability to lower the melting point of the metal High calorific value High flammability Low reactivity with metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloidal solution of Liquid in liquid Solid in Solid Gas in solid Solid in liquid Liquid in liquid Solid in Solid Gas in solid Solid in liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Equal to its vapour pressure Not related to its vapour pressure Twice its vapour pressure Half its vapour pressure Equal to its vapour pressure Not related to its vapour pressure Twice its vapour pressure Half its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Corrosion Exfoliation Carbonation Oxidation Corrosion Exfoliation Carbonation Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Stainless steel Wrought iron High speed steel Cast iron Stainless steel Wrought iron High speed steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees ANSWER DOWNLOAD EXAMIANS APP