Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Zinc plating Alloy formation Galvanization Vulcanization Zinc plating Alloy formation Galvanization Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Iron Tin Silver Aluminium Iron Tin Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Decreases the rate of reaction Has no action on the rate of the reaction None of these Increases the rate of the reaction Decreases the rate of reaction Has no action on the rate of the reaction None of these Increases the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Nylon Decron Melamine Bakelite Nylon Decron Melamine Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Sedative Tranquillizer Mental stimulant Hallucinating substance Sedative Tranquillizer Mental stimulant Hallucinating substance ANSWER DOWNLOAD EXAMIANS APP