Chemistry Heating of a ore below its melting point in the absence of air is known as Smelting Calcination Roasting Refining Smelting Calcination Roasting Refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as non-luminous zone dark zone luminous zone blue zone non-luminous zone dark zone luminous zone blue zone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Indane gas Coal gas Water gas Natural gas Indane gas Coal gas Water gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Three One Two Zero Three One Two Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted acetic acid Glacial formic acid Glacial acetic acid Diluted formic acid Diluted acetic acid Glacial formic acid Glacial acetic acid Diluted formic acid ANSWER DOWNLOAD EXAMIANS APP
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