Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Zinc Lead Chromium Nickel Zinc Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Acetone Phenyl acetate Acetophenone Acetic acid Acetone Phenyl acetate Acetophenone Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Natural Gas Coal Mica Petroleum Natural Gas Coal Mica Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Ca2+ A l3+ Fe2+ Mg2+ Ca2+ A l3+ Fe2+ Mg2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Hundred percent transmission Multiple surface reflections Multiple internal reflections Highest refraction Hundred percent transmission Multiple surface reflections Multiple internal reflections Highest refraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to n-heptane 3-methyl octane iso-octane 2-methyl octane n-heptane 3-methyl octane iso-octane 2-methyl octane ANSWER DOWNLOAD EXAMIANS APP
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