Chemistry The compounds formed when hydrogen combines with p-block elements are called Polynuclear hydrides Metallic hydrides Molecular hydrides Ionic hydrides Polynuclear hydrides Metallic hydrides Molecular hydrides Ionic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Sodium Calcium Silicon Magnesium Sodium Calcium Silicon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron acceptor An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Urea None of these Uric Acid Ammonia Urea None of these Uric Acid Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry 24 carat of diamond is equal to 200 g 95% mg 91% gold 200 mg 200 g 95% mg 91% gold 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Sapphire Pearl Emerald Ruby Sapphire Pearl Emerald Ruby ANSWER DOWNLOAD EXAMIANS APP