Chemistry Among the following, carbonate ore of Zinc is Zincite Sphalerite Calamine Zincblende Zincite Sphalerite Calamine Zincblende ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Coal Geothermal powder Natural gas Uranium Coal Geothermal powder Natural gas Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Hg Na Ag Fe Hg Na Ag Fe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Homogeneous systems Compounds Mixtures Solutions Homogeneous systems Compounds Mixtures Solutions ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Nitrous oxide Carbon dioxide Sulphur dioxide Hydrocarbons Nitrous oxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1019 1.568 x 103 4.84 x 1017 6.023 x 1023 6.023 x 1019 1.568 x 103 4.84 x 1017 6.023 x 1023 ANSWER DOWNLOAD EXAMIANS APP