Chemistry Which one is a naturally occuring noble gas Argon Sodium Potassium Boron Argon Sodium Potassium Boron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Oxygen Carbon dioxide Carbon monoxide Nitrogen Oxygen Carbon dioxide Carbon monoxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Galena Feldspar Quartz Mica Galena Feldspar Quartz Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Powder type Soda acid type None of these Foam type Powder type Soda acid type None of these Foam type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Ozone Carbon dioxide Oxygen Carbon monoxide Ozone Carbon dioxide Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene sulphonic acid Sodium palmitate Sodium stearate Sodium salt of benzene carboxylic acid Sodium salt of benzene sulphonic acid Sodium palmitate Sodium stearate Sodium salt of benzene carboxylic acid ANSWER DOWNLOAD EXAMIANS APP