Chemistry Which of the following is not a chemical reaction'? Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food 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 CO Unburnt petrol CO2 SO2 CO Unburnt petrol CO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 10-15% 0.02 7-9% 3-5% 10-15% 0.02 7-9% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Osmosis Cohesion Surface tension Viscosity Osmosis Cohesion Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is It is a odourless gas It is a yellowish gas Its aqueous solution turns red litmus blue It is insoluble in water It is a odourless gas It is a yellowish gas Its aqueous solution turns red litmus blue It is insoluble in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Hydrochloric acid Lactic acid Sulphuric acid Nitric acid Hydrochloric acid Lactic acid Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
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