Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Bromine Sulphur Phosphorus Silicon Bromine Sulphur Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Nitric acid Hydrochloric acid Aqua-regia Acetic acid Nitric acid Hydrochloric acid Aqua-regia Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Chloride Sodium Benzoate Glycerine Picric acid Sodium Chloride Sodium Benzoate Glycerine Picric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium phosphate Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid Sodium phosphate Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP