Chemistry In arc welding, Argon is used because of its High flammability Low reactivity with metal High calorific value Ability to lower the melting point of the metal High flammability Low reactivity with metal High calorific value Ability to lower the melting point of the metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Methyl isocyanate Sulphur dioxide Carbon dioxide Nitrogen dioxide Methyl isocyanate Sulphur dioxide Carbon dioxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Covalent Polar Nonpolar Ionic Covalent Polar Nonpolar Ionic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Salicylic acid Phthalic acid Terephthalic acid Benzoic Acid Salicylic acid Phthalic acid Terephthalic acid Benzoic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Polymerisation Dissociation of water Dehydration Hydration and dissociation of water Polymerisation Dissociation of water Dehydration Hydration and dissociation of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Iron Bauxite Manganese Copper Iron Bauxite Manganese Copper ANSWER DOWNLOAD EXAMIANS APP