Chemistry The chemical substance present in bones and teeth is Calcium chloride Calcium borate Calcium sulphate Calcium phosphate Calcium chloride Calcium borate Calcium sulphate Calcium phosphate 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? 1/8 1/3 1/4 1/6 1/8 1/3 1/4 1/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Nitrogen Lithium Chlorine Fluorine Nitrogen Lithium Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alumina Clay Gypsum Alum Alumina Clay Gypsum Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Iron Coal Graphite Diamond Iron Coal Graphite Diamond ANSWER DOWNLOAD EXAMIANS APP
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