Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Copper Iron Titanium Aluminium Copper Iron Titanium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to increase the solubility of food particles in water ease the process of cooking make the taste of food better produce in small amounts the hydrochloric acid required for the digestion of food increase the solubility of food particles in water ease the process of cooking make the taste of food better produce in small amounts the hydrochloric acid required for the digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Mercury Gold Silver Copper Mercury Gold Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of SOCl2 Tollen's reagent NaOH NaHCO3 SOCl2 Tollen's reagent NaOH NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Alkaline soils Acidic soils Saline soils Podsols Alkaline soils Acidic soils Saline soils Podsols ANSWER DOWNLOAD EXAMIANS APP