Chemistry The working of a dry cell is based on Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Lignite Nitrite Magnetite Bauxite Lignite Nitrite Magnetite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Nitric acid Sulphuric acid Hydrochloric acid Phosphoric acid Nitric acid Sulphuric acid Hydrochloric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Hydration Oxidation Carbonation Desilication Hydration Oxidation Carbonation Desilication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Acetaldehyde Cinnaldehyde Benzaldehyde Formaldehyde Acetaldehyde Cinnaldehyde Benzaldehyde Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP