Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Neon Nitrogen Hydrogen Sodium Neon Nitrogen Hydrogen Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Ethylene Aniline Acetylene Propylene Ethylene Aniline Acetylene Propylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 4 3 2 5 4 3 2 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polypropylene Polyester Polyamide Polyethylene Polypropylene Polyester Polyamide Polyethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Piped Natural Gas (PNG) is used for Cooking Anaesthesia Welding Mining Cooking Anaesthesia Welding Mining ANSWER DOWNLOAD EXAMIANS APP
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