Chemistry Which amidst the following is not a gem stone ? Opal Cat's-eye Pearl Topaz Opal Cat's-eye Pearl Topaz ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A fungus Lichen An alga A bacterium A fungus Lichen An alga A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Oxides of sulphur Carbon dioxide Carbon monoxide Oxides of nitrogen Oxides of sulphur Carbon dioxide Carbon monoxide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Respiratory and lung disease Reduction in plant's productivity owing to acid rain All of these Corrosion building materials Respiratory and lung disease Reduction in plant's productivity owing to acid rain All of these Corrosion building materials ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is Fe3O4 Fe2O3 FeCO3 2Fe2O3. 3H2O Fe3O4 Fe2O3 FeCO3 2Fe2O3. 3H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Butane Ethanol Methane Hydrogen Butane Ethanol Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP