Chemistry Fertiliser having high nitrogen content is : Calcium citrate Ammonium sulphate Urea Ammonium nitrate Calcium citrate Ammonium sulphate Urea Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - HCO3 H2CO3 - CO32- NH2CONH2 - NH2CONH+ CH3COOH - CH3COO- H2CO3 - HCO3 H2CO3 - CO32- NH2CONH2 - NH2CONH+ CH3COOH - CH3COO- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polyester polymer Polyamide polymer Polysaccharide Polyvinyl polymer Polyester polymer Polyamide polymer Polysaccharide Polyvinyl polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to orange-red From blue to pink From pink to blue-green From brown to blue-black From brown to orange-red From blue to pink From pink to blue-green From brown to blue-black ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Coal Natural Gas Petroleum Mica Coal Natural Gas Petroleum Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Natural fibre Blend of cotton and silk Synthetic fibre Modified natural fibre Natural fibre Blend of cotton and silk Synthetic fibre Modified natural fibre ANSWER DOWNLOAD EXAMIANS APP