Chemistry Silicon is used in Solar energy devices All of these Semiconductors Transistors Solar energy devices All of these Semiconductors Transistors ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium chloride Calcium sulphate Calcium phosphate Calcium borate Calcium chloride Calcium sulphate Calcium phosphate Calcium borate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Rubber Terylene Nylon Artificial silk Rubber Terylene Nylon Artificial silk ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Nitrogen Silicon Sulphur Alcohol Nitrogen Silicon Sulphur Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Vinyl chloride Styrene Propane Acetylene Vinyl chloride Styrene Propane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon dioxide Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane ANSWER DOWNLOAD EXAMIANS APP
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