Chemistry The basic chemical building block of natural rubber obtained from trees is Isoprene Neoprene Vinyl Chloride Acetylene Isoprene Neoprene Vinyl Chloride Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Artificial silk Rubber Terylene Nylon Artificial silk Rubber Terylene Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium sulphate Calcium phosphate Calcium chloride Calcium borate Calcium sulphate Calcium phosphate Calcium chloride Calcium borate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Calamine Bauxite Haematite Chalcopyrites Calamine Bauxite Haematite Chalcopyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Cetane number Octane number Gold number Added unlead compounds Cetane number Octane number Gold number Added unlead compounds ANSWER DOWNLOAD EXAMIANS APP