Chemistry In arc welding, Argon is used because of its High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value ANSWER DOWNLOAD EXAMIANS APP
Chemistry If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by Lead Arsenic Mercury Iron Lead Arsenic Mercury Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the temperature Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wax used for making candle is chemically a mixture of Cyclic hydrocarbons Aliphatic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons Cyclic hydrocarbons Aliphatic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium sulphate None of these Aluminium powder Solder Aluminium sulphate None of these Aluminium powder Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Phosphorus Carbon Hydrogen Sulphur Phosphorus Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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