Chemistry Chemical composition of cement is Clay and Gypsum Limestone and Gypsum Limestone, Clay and Gypsum Limestone and Clay Clay and Gypsum Limestone and Gypsum Limestone, Clay and Gypsum Limestone and Clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is less reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its critical temperature is high Its critical temperature is low Its ignition temperature is very high Its ignition temperature is very low Its critical temperature is high Its critical temperature is low Its ignition temperature is very high Its ignition temperature is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Contact bed Intermittent sand filter Percolating filter Trickling filter Contact bed Intermittent sand filter Percolating filter Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Collection of dust Frequent use Lack of aeration Oxidation of cellulose Collection of dust Frequent use Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
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