Which of the following is used in the preparation of tincture iodine, cough syrup and many tonics?
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Aluminium oxide is ___ in nature.
By volume, 78% of air is _______________
Which type of Ethanol is made from sources like molasses, sugarcane, sugar beet, sorghum and edible oil seeds?
Number of Sigma and Pi bonds in benzene, respectively is
What was the element used in traditional thermometers which is highly toxic in nature?
Which of the following constitutes highest percentage of Green House gases?
Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?
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