Chemistry Browning of paper in old books is caused by Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Mica Galena Quartz Feldspar Mica Galena Quartz Feldspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Does not follow a definite pattern Remains unchanged Decreases Increases Does not follow a definite pattern Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Glacial formic acid Diluted acetic acid Diluted formic acid Glacial acetic acid Glacial formic acid Diluted acetic acid Diluted formic acid Glacial acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Solid waste disposal Transportation Fuel combustion Industrial process Solid waste disposal Transportation Fuel combustion Industrial process ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is carbon dioxide ethane ethylene acetylene carbon dioxide ethane ethylene acetylene ANSWER DOWNLOAD EXAMIANS APP
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