Chemistry In vulcanisation process, rubber can be hardened by adding Sulphur Alcohol Silicon Nitrogen Sulphur Alcohol Silicon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Carbon dioxide Sulphur dioxide Nitrogen Helium Carbon dioxide Sulphur dioxide Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Copper Cadmium Chromium Lead Copper Cadmium Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to blue-black From brown to orange-red From pink to blue-green From blue to pink From brown to blue-black From brown to orange-red From pink to blue-green From blue to pink ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Graphite Wood Charcoal Anthracite Lampblack Graphite Wood Charcoal Anthracite Lampblack ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following processes is used for the production of Biodiesel ? Transesterification Transamination Translation Transcription Transesterification Transamination Translation Transcription ANSWER DOWNLOAD EXAMIANS APP
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