Chemistry The chemical substance present in bones and teeth is Calcium phosphate Calcium sulphate Calcium borate Calcium chloride Calcium phosphate Calcium sulphate Calcium borate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polyamide polymer Polyvinyl polymer Polyester polymer Polysaccharide Polyamide polymer Polyvinyl polymer Polyester polymer Polysaccharide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Evaporation Sublimation Magnetization Sedimentation Evaporation Sublimation Magnetization Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Carbon dioxide Carbon monoxide Sulphur dioxide Chlorine Carbon dioxide Carbon monoxide Sulphur dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is hydrogen carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this acid, in ancient times, was used to eliminate ant-hills ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants this acid, in ancient times, was used to eliminate ant-hills ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants ANSWER DOWNLOAD EXAMIANS APP
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