Chemistry Which of the following is used for refrigeration? Phosphine Freon Chlorine Sulphur dioxide Phosphine Freon Chlorine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Batteries Petrol and oxygen Diesel Steam Batteries Petrol and oxygen Diesel Steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.4 mole 0.5 mole 0.25 mole 0.2 mole 0.4 mole 0.5 mole 0.25 mole 0.2 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many atoms of oxygen are in a glucose molecule 6 3 10 4 6 3 10 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium acetate Sodium oxalate Sodium chloride Calcium oxalate Calcium acetate Sodium oxalate Sodium chloride Calcium oxalate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS