Chemistry Which of the following is used as non-stick coating for cooking utensils? Styrofoam Teflon Polystyrene Perspex Styrofoam Teflon Polystyrene Perspex ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Viscosity Cohesion Osmosis Surface tension Viscosity Cohesion Osmosis Surface tension ANSWER DOWNLOAD EXAMIANS APP
Chemistry Physico-chemical characteristics of water in water sources undergo changes due to Effluents Evapotranspiration Auatic fungi Aquatic macrophytes Effluents Evapotranspiration Auatic fungi Aquatic macrophytes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecule which has the highest percentage of ionic character among the following is HI HCI HBr HF HI HCI HBr HF ANSWER DOWNLOAD EXAMIANS APP
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