Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Halogens Heavy metals Light metals Noble gases Halogens Heavy metals Light metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Carbon dioxide Hydrogen Chlorofluorocarbon Nitric oxide Carbon dioxide Hydrogen Chlorofluorocarbon Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cyanide poisoning causes death in seconds because It breaks the electron transport chain It causes cardiac arrest It causes Lysis of red blood cells It denatures enzymes of the heart/muscle It breaks the electron transport chain It causes cardiac arrest It causes Lysis of red blood cells It denatures enzymes of the heart/muscle ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 5 and 10 km 20 and 50 km 10 and 20 km 50 and 100 km 5 and 10 km 20 and 50 km 10 and 20 km 50 and 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Argon Helium Krypton Radon Argon Helium Krypton Radon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
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