Chemistry Nitrogen is an essential constituent of all : Fats Carbohydrates Vitamins Proteins Fats Carbohydrates Vitamins Proteins ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 100 years 0.01 minute 13 days 3 billion years 100 years 0.01 minute 13 days ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Crude oil Carbohydrates Biomass Coal Crude oil Carbohydrates Biomass Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc carbonate Zinc oxide Zinc sulphate Zinc blende Zinc carbonate Zinc oxide Zinc sulphate Zinc blende ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : 95% ethyl alcohol Tincture iodine Methylated spirit 100% ethyl alcohol 95% ethyl alcohol Tincture iodine Methylated spirit 100% ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in water Formaldehyde in methanol Gaseous formaldehyde Ethylene glycol Formaldehyde in water Formaldehyde in methanol Gaseous formaldehyde Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP