Chemistry Food cans are coated with tin and not with zinc because Zinc is costlier than tin Zinc is less reactive than tin Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc is more reactive than tin Zinc has a higher melting point than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/3 1/6 1/8 1/4 1/3 1/6 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Percolating filter Intermittent sand filter Contact bed Trickling filter Percolating filter Intermittent sand filter Contact bed Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted acetic acid Diluted formic acid Glacial formic acid Glacial acetic acid Diluted acetic acid Diluted formic acid Glacial formic acid Glacial acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Alkaline soils Saline soils Podsols Acidic soils Alkaline soils Saline soils Podsols Acidic soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Mercury Platinum Lead Zinc Mercury Platinum Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
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