Chemistry Diamonds are glittering and attractive because light incident on them undergoes Multiple internal reflections Hundred percent transmission Multiple surface reflections Highest refraction Multiple internal reflections Hundred percent transmission Multiple surface reflections Highest refraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a violent explosion. The paper ignites There is a crackling sound There is no reaction. There is a violent explosion. The paper ignites There is a crackling sound There is no reaction. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Sulphur Silicon Nitrogen Alcohol Sulphur Silicon Nitrogen Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of lemon juice is expected to be Less than 7 More than 7 Nothing can be predicted Equal to 7 Less than 7 More than 7 Nothing can be predicted Equal to 7 ANSWER DOWNLOAD EXAMIANS APP