Chemistry The pH of human blood is between : 7.5-8 6.5-7 44052 4.5-5 7.5-8 6.5-7 44052 4.5-5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Steel Wrought iron Stainless steel Pig iron Steel Wrought iron Stainless steel Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Carbon monoxide Hydrogen Air Methane Carbon monoxide Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 Unburnt petrol CO SO2 CO2 Unburnt petrol CO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Disinfectant Insecticide Pesticide Fertiliser Disinfectant Insecticide Pesticide Fertiliser ANSWER DOWNLOAD EXAMIANS APP
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