Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Iron Magnesium Silicon Oxygen Iron Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called levigation magnetic separation liquation leaching levigation magnetic separation liquation leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Smaller atomic radius High nuclear charge Stable half filled 2p sub level High bond dissociation energy Smaller atomic radius High nuclear charge Stable half filled 2p sub level High bond dissociation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chloroform can be used as Anaesthetic Antibiotic Antimalarial Analgesic Anaesthetic Antibiotic Antimalarial Analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Lactic acid Uric acid Urea Glucose Lactic acid Uric acid Urea Glucose ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 120 gms 1.2 gms 12 gms 0.12 gms 120 gms 1.2 gms 12 gms 0.12 gms ANSWER DOWNLOAD EXAMIANS APP