Chemistry The most abundant element is Calcium Nitrogen Oxygen Silicon Calcium Nitrogen Oxygen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium phosphate Calcium sulphate Calcium chloride Calcium borate Calcium phosphate Calcium sulphate Calcium chloride Calcium borate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Water Bromine Alcohol Mercury Water Bromine Alcohol Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Smog Eutrophication None of these Green house effect Smog Eutrophication None of these Green house effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? He O2 N 2 H2 He O2 N 2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 ANSWER DOWNLOAD EXAMIANS APP
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