Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Sulphur Carbon and Oxygen Carbon and Nitrogen Carbon and Hydrogen Carbon and Sulphur Carbon and Oxygen Carbon and Nitrogen Carbon and Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Silicon Phosphorus Bromine Sulphur Silicon Phosphorus Bromine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 39 KJ 1 KJ 29 KJ 30 KJ 39 KJ 1 KJ 29 KJ 30 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest oxidizing agent among the following is: Oxygen Iodine Fluorine Chlorine Oxygen Iodine Fluorine Chlorine ANSWER DOWNLOAD EXAMIANS APP
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