Chemistry In arc welding, Argon is used because of its High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen dioxide Ammonia Nitrogen Nitric acid Nitrogen dioxide Ammonia Nitrogen Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 100 years 3 billion years 0.01 minute 13 days 100 years 3 billion years 0.01 minute ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Hygrometer Ammeter Acidmeter PH meter Hygrometer Ammeter Acidmeter PH meter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Zn Fe Ca Ag Zn Fe Ca Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the inert gases can form compounds? Krypton Argon Xenon Helium Krypton Argon Xenon Helium ANSWER DOWNLOAD EXAMIANS APP
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