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? Titanium Copper Iron Aluminium Titanium Copper Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 5 gram of molecule 10 gram of molecule 0.5 gram of molecule 1 gram of molecule 5 gram of molecule 10 gram of molecule 0.5 gram of molecule 1 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Ammonium sulphate Nitro-lime Ammonium nitrate Urea Ammonium sulphate Nitro-lime Ammonium nitrate Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is a noble gas It is one of the constitutents of water Its atomic number is 2 It is lighter than air It is a noble gas It is one of the constitutents of water Its atomic number is 2 It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper and zinc Tin and lead Copper, tin and zinc Copper and tin Copper and zinc Tin and lead Copper, tin and zinc Copper and tin ANSWER DOWNLOAD EXAMIANS APP