Chemistry Which one is a soluble salt in H2O CuS Zn(OH)2 PbCl2 CaCl2 CuS Zn(OH)2 PbCl2 CaCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Volta Bohr and Rutherford Alfred Nobel Faraday Volta Bohr and Rutherford Alfred Nobel Faraday ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Lead Aluminium Arsenic Mercury Lead Aluminium Arsenic Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Sphalerite Zincite Zincblende Calamine Sphalerite Zincite Zincblende Calamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Carbon dioxide gas Nitrogen dioxide gas Sulphur dioxide gas Nitric oxide gas Carbon dioxide gas Nitrogen dioxide gas Sulphur dioxide gas Nitric oxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Fe Ni Ti Pb Fe Ni Ti Pb ANSWER DOWNLOAD EXAMIANS APP