A. Cu B. Ag C. Fe D. Hg
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A. Nickel B. Zinc C. Sodium D. Aluminium
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A. Calamine B. Pitch blende C. Cryolite D. None
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A. Zinc blende B. White vitriol C. Blue vitriol D. Calamine
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A. Triglyceride B. Lecithin C. Steroid S. Carotenoids
A. 46 B. 86 C. 36 D. 48
A. Methane B. Methyl chloride C. Acetyl chloride D. Dimethyl ether
A. Baeyer’s reagent B. NaHCO3 C. Tollen’s reagent D. None of these