Answers If 0.2g of a salt is required to saturate 200(cm^{3}) of water at room temperature,… If 0.2g of a salt is required to saturate 200(cm^{3}) of water at room temperature, what is the… Read More
Answers The property of a chemical reaction that is affected by the presence of a catalyst… The property of a chemical reaction that is affected by the presence of a catalyst is A. activation… Read More
Answers When water was added to a white anhydrous substance X, the colour changed to blue…. When water was added to a white anhydrous substance X, the colour changed to blue. X is A.… Read More
Answers Solubility curve can be used in the determination of the Solubility curve can be used in the determination of the A. amount of crystals formed B. amount of… Read More
Answers Halogens generally react with metals to form Halogens generally react with metals to form A. alkalis B. acids C. bases D. salts Correct Answer: Option… Read More
Answers Potassium Chloride solid does not conduct electricity because Potassium Chloride solid does not conduct electricity because A. it is a covalent compound B. strong cohesive forces… Read More
Answers A hydrocarbon contained 14.3% hydrogen. The empirical formula for the hydrocarbon is [H= 1.0,… A hydrocarbon contained 14.3% hydrogen. The empirical formula for the hydrocarbon is [H= 1.0, C= 12.0] A.… Read More
Answers Which of the following statements is NOT a chemical property of an acid? Which of the following statements is NOT a chemical property of an acid? A. Evolution of ammonia when… Read More
Answers When Magnesium reacts with oxygen, heat is When Magnesium reacts with oxygen, heat is A. absorbed and the reaction is endothermic B. evolved and the… Read More
Answers Which of the following gases is not acidic? Which of the following gases is not acidic? A. (SO_{3}) B. (NO_{2}) C. (Co_{2}) D. CO Correct Answer:… Read More