Chemistry Philosopher’s Wool is Zinc sulphate Zinc oxide Zinc blende Zinc carbonate Zinc sulphate Zinc oxide Zinc blende Zinc carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese None of these Magnesium Calcium Manganese None of these Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Oxygen Catalyst Light Heat Oxygen Catalyst Light Heat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Organic compounds are Interstitial compounds Ionic compounds Covalent compounds Co-ordination compounds Interstitial compounds Ionic compounds Covalent compounds Co-ordination compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Curd is sour due to presenceof Oxalic acid Acetic acid Tartaric acid Lactic acid Oxalic acid Acetic acid Tartaric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Benzoate Sodium Chloride Glycerine Picric acid Sodium Benzoate Sodium Chloride Glycerine Picric acid ANSWER DOWNLOAD EXAMIANS APP