Chemistry Silicon is a Nonconductor Conductor Insulator Semiconductor Nonconductor Conductor Insulator Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon monoxide Carbon dioxide Oxides of nitrogen Oxides of sulphur Carbon monoxide Carbon dioxide Oxides of nitrogen Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Copper Mercury Zinc Lead Copper Mercury Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Sodium chloride Saltpetre Borax Hydrogen peroxide Sodium chloride Saltpetre Borax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Carbon Lead Graphite Mica Carbon Lead Graphite Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is haematite magnetite monazite bauxite haematite magnetite monazite bauxite ANSWER DOWNLOAD EXAMIANS APP
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