Chemistry Which one out of the following helps in burning ? Carbon dioxide Nitrogen Carbon monoxide Oxygen Carbon dioxide Nitrogen Carbon monoxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Citric acid Palmitic acid Lactic acid Acetic acid Citric acid Palmitic acid Lactic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Hg Mg Mr None of these Hg Mg Mr None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Neutrons Positrons Electrons Protons Neutrons Positrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Methane Ethylene Ethane Acetylene Methane Ethylene Ethane Acetylene ANSWER DOWNLOAD EXAMIANS APP
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