Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a fertilizer? Potassium nitrate Calcium sulphate Ammonium sulphate Calcium ammonium nitrate Potassium nitrate Calcium sulphate Ammonium sulphate Calcium ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Decreases Increases May either increase or decrease depending on the process used Does not change Decreases Increases May either increase or decrease depending on the process used Does not change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Galvanization Sulphonation Acceleration Vulcanization Galvanization Sulphonation Acceleration Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not an anasthetic agent in surgical operations? Nitrous oxide Acetone Chloroform Ether Nitrous oxide Acetone Chloroform Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP