Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Positrons Electrons Neutrons Protons Positrons Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Saccharomyces cerevisiae Bacillus subtilis Escherichia coli Pseudomonas putida Saccharomyces cerevisiae Bacillus subtilis Escherichia coli Pseudomonas putida ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cloud is a colloidal dispersion of Fog in a dispersion medium of water Water drops in a dispersion medium of air Mist in a dispersion medium of air Air in a dispersion medium of water Fog in a dispersion medium of water Water drops in a dispersion medium of air Mist in a dispersion medium of air Air in a dispersion medium of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Sodium Calcium Magnesium Silicon Sodium Calcium Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Lead Copper Cadmium Chromium Lead Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
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