Chemistry Solder metal is an alloy of Lead and antimony Copper and tin Lead and tin Copper and zinc Lead and antimony Copper and tin Lead and tin Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Manganese Calcium Magnesium None of these Manganese Calcium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Wood Charcoal Anthracite Graphite Lampblack Wood Charcoal Anthracite Graphite Lampblack ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Oxygen Argon Nitrogen Krypton Oxygen Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Clay and Gypsum Limestone and Gypsum Limestone and Clay Limestone, Clay and Gypsum Clay and Gypsum Limestone and Gypsum Limestone and Clay Limestone, Clay and Gypsum ANSWER DOWNLOAD EXAMIANS APP
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