Chemistry Which one is heaviest naturally-occurring element of the periodic element Thorium Rhodium Iron Uranium Thorium Rhodium Iron Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CaCl2 Zn(OH)2 PbCl2 CuS CaCl2 Zn(OH)2 PbCl2 CuS ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Uric acid Glucose Lactic acid Urea Uric acid Glucose Lactic acid Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacids are found in drugs that give relief to Stomach ache Acne Headache Eye sight Stomach ache Acne Headache Eye sight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b A and c C and d B and c A and b A and c C and d B and c ANSWER DOWNLOAD EXAMIANS APP