Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbene Carbanion Free radical Carbocation Carbene Carbanion Free radical Carbocation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Enrich the aroma Stabilise the colloid and prevent crystallisation Prevent making a colloid Stabilise mixture Enrich the aroma Stabilise the colloid and prevent crystallisation Prevent making a colloid Stabilise mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Borax Sodium chloride Saltpetre Hydrogen peroxide Borax Sodium chloride Saltpetre ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 15 13 21 18 15 13 21 18 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+ N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom strong F - F bond availability of d-orbitals its high electro negativity small size of fluorine atom strong F - F bond availability of d-orbitals its high electro negativity ANSWER DOWNLOAD EXAMIANS APP