Chemistry The iron ore which contains 72% of iron is : Haematite Limonite Siderite Magnetite Haematite Limonite Siderite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Gold Iron Mercury Platinum Gold Iron Mercury Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Light Catalyst Heat Oxygen Light Catalyst Heat Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Electrophoresis Filteration Precipitation Sedimentation Electrophoresis Filteration Precipitation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrite Nitrate Nitric oxide Nitrous oxide Nitrite Nitrate Nitric oxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n n-2 n3 n2 n n-2 n3 n2 ANSWER DOWNLOAD EXAMIANS APP