Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Galvanization Alloy formation Zinc plating Vulcanization Galvanization Alloy formation Zinc plating ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Pesticide Insecticide Fertiliser Disinfectant Pesticide Insecticide Fertiliser Disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Acetic acid Nitric acid Hydrochloric acid Aqua-regia Acetic acid Nitric acid Hydrochloric acid Aqua-regia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Activation energy Internal energy Threshold energy Free energy Activation energy Internal energy Threshold energy Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Bromine Lead Argon Zinc Bromine Lead Argon Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP