Chemistry Diamonds are glittering and attractive because light incident on them undergoes Multiple surface reflections Multiple internal reflections Highest refraction Hundred percent transmission Multiple surface reflections Multiple internal reflections Highest refraction Hundred percent transmission ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. A is true but R is false Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A A is false but R is true A is true but R is false Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Bronze Silver Brass Copper Bronze Silver Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Uric Acid Ammonia Urea Ammonium Nitrate Uric Acid Ammonia Urea Ammonium Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in C12O H2O (2) N2O OF2 C12O H2O (2) N2O OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Barium Magnesium Bromine Lead Barium Magnesium Bromine Lead ANSWER DOWNLOAD EXAMIANS APP