Chemistry Sodium vapour lamps glow with yellow colour. This is due to The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour The low ionisation energy of sodium Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour The low ionisation energy of sodium Its ability to absorb all other colours except yellow ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher D, a A, b B, c A, c D, a A, b B, c A, c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Nitrates Sulphonates Bismuthates Bicarbonates Nitrates Sulphonates Bismuthates Bicarbonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Protection of colloidal solution Purification of colloids Precipitation of colloidal particles Dispersing precipitates into colloidal solution Protection of colloidal solution Purification of colloids Precipitation of colloidal particles Dispersing precipitates into colloidal solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Arsenic Detergent Zinc Phosphate Arsenic Detergent Zinc Phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a fertilizer? Calcium sulphate Potassium nitrate Calcium ammonium nitrate Ammonium sulphate Calcium sulphate Potassium nitrate Calcium ammonium nitrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
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