Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Carbonic acid Sulphuric acid Acetic acid Formic acid Carbonic acid Sulphuric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Tantalum Ultra pure carbon Silicon Beryllium Tantalum Ultra pure carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Bitumen Anthracite Peat Lignite Bitumen Anthracite Peat Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrates Ammonia Amino acids Nitrogenase Nitrates Ammonia Amino acids Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Hydration and dissociation of water Dehydration Polymerisation Dissociation of water Hydration and dissociation of water Dehydration Polymerisation Dissociation of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a polymer chemical compound thermoset thermoplastic polymer chemical compound thermoset thermoplastic ANSWER DOWNLOAD EXAMIANS APP
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