Chemistry Liquid Nitrogen boils at 77 kelvin 82 Kelvin 97 Kelvin 54 kelvin 77 kelvin 82 Kelvin 97 Kelvin 54 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Cement Petrochemicals Aluminium Fertilizers Cement Petrochemicals Aluminium Fertilizers ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Copper vessel Glass vessel Earthen vessel Aluminium vessel Copper vessel Glass vessel Earthen vessel Aluminium vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Benzoic acid Phthalic acid Cinnamic acid Oxalic acid Benzoic acid Phthalic acid Cinnamic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Floatation Surface tension Viscosity Elasticity Floatation Surface tension Viscosity Elasticity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Radium Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP