Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Acetylene Ethylene Styrene Methane Acetylene Ethylene Styrene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Chemical resistant Soft and flexible Withstand higher temperatures Strong and hard Chemical resistant Soft and flexible Withstand higher temperatures Strong and hard ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Paints Acid Plants Domestic sewage Wood burning Paints Acid Plants Domestic sewage Wood burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Silicosis Asthma Cancer Pneumoconiosis Silicosis Asthma Cancer Pneumoconiosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Dolomite Cinnabar Bauxite Haematite Dolomite Cinnabar Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Polymerisation Dissociation of water Hydration and dissociation of water Dehydration Polymerisation Dissociation of water Hydration and dissociation of water Dehydration ANSWER DOWNLOAD EXAMIANS APP
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