Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Phenolphthaline Methylene blue Methyl red Methyl orange Phenolphthaline Methylene blue Methyl red Methyl orange ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Carbon dioxide Hydrogen Oxygen All of them Carbon dioxide Hydrogen Oxygen All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Calcium Sulphate Sodium Sulphate Sodium Silicate Calcium Silicate Calcium Sulphate Sodium Sulphate Sodium Silicate Calcium Silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield Cancer Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Caproic acid Butyric acid Acetic acid Formic acid Caproic acid Butyric acid Acetic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium can be purified by Electrolysis Distillation Ozonolysis Oxidation Electrolysis Distillation Ozonolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
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