Chemistry Which of the following is not a noble gas ? Hydrogen Neon Argon Helium Hydrogen Neon Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Sulphurdioxide Oxygen Nitrogen Carbondioxide Sulphurdioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Cast iron Steel Wrought iron Pig iron Cast iron Steel Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The next higher homologue of C6H14 is C6H12 C7H14 C7H12 C7H16 C6H12 C7H14 C7H12 C7H16 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Copper Lead Nickel Aluminium Copper Lead Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its 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 High flammability ANSWER DOWNLOAD EXAMIANS APP