Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Magnesium fluoride Sodium chloride Carbon tetrachloride Calcium chloride Magnesium fluoride Sodium chloride Carbon tetrachloride Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Copper Nickel Lead Aluminium Copper Nickel Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Soaps give lather with only soft water Detergents could not give much lather Detergents give lather even with hard water Detergents are soluble in water Soaps give lather with only soft water Detergents could not give much lather Detergents give lather even with hard water Detergents are soluble in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 29 KJ 39 KJ 1 KJ 30 KJ 29 KJ 39 KJ 1 KJ 30 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Potassium carbonate Sodium bicarbonate Sodium carbonate Sodium hydroxide Potassium carbonate Sodium bicarbonate Sodium carbonate Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP