Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Interrupted release of moisture from the material Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees Tendency of carbon dioxide to form a layer along with dust smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Oxalic acid Formic acid Acetic acid Citric acid Oxalic acid Formic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon dioxide Carbon monoxide Oxides of sulphur Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Oxidation Hydrolysis Hydrogenation Ozonolysis Oxidation Hydrolysis Hydrogenation Ozonolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Chlorofluorocarbons Nitrogen Methane Carbon dioxide Chlorofluorocarbons Nitrogen Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Graphite Lead Carbon Mica Graphite Lead Carbon Mica ANSWER DOWNLOAD EXAMIANS APP
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