Chemistry The iron ore which contains 72% of iron is : Magnetite Limonite Haematite Siderite Magnetite Limonite Haematite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Neon Fluorine Oxygen Nitrogen Neon Fluorine Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is chlorine carbon dioxide alcohol sodium chlorine chlorine carbon dioxide alcohol sodium chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- ANSWER DOWNLOAD EXAMIANS APP
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? Iron Titanium Copper Aluminium Iron Titanium Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
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