Chemistry Which of the following is not an addition polymer Polystyrene Polythene Nylon PVC Polystyrene Polythene Nylon PVC ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Propyl alcohol Methyl alcohol Methane Phenol Propyl alcohol Methyl alcohol Methane Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Dry Ice (Frozen CO2) Sodium Chloride (NaCl) Silver Iodide (Ag I) All of these Dry Ice (Frozen CO2) Sodium Chloride (NaCl) Silver Iodide (Ag I) All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Additives Synergism Independent Antagonism Additives Synergism Independent Antagonism ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called leaching liquation magnetic separation levigation leaching liquation magnetic separation levigation ANSWER DOWNLOAD EXAMIANS APP