Chemistry For generation of biogas, the materials commonly used are Forest residues Animal wastes Aquatic plants Crop residues Forest residues Animal wastes Aquatic plants Crop residues ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Mental stimulant Tranquillizer Hallucinating substance Sedative Mental stimulant Tranquillizer Hallucinating substance Sedative ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The combination of oxygen molecules The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Potassium Nitrogen Phosphorous Silicon Potassium Nitrogen Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Silicon Bromine Sulphur Phosphorus Silicon Bromine Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an None of these Electrochemical change Physical change Electrical change None of these Electrochemical change Physical change Electrical change ANSWER DOWNLOAD EXAMIANS APP