Chemistry The iron ore magnetite consists of FeCO3 3Fe2O3 .. 3H2O Fe2O3 Fe3OH4 FeCO3 3Fe2O3 .. 3H2O Fe2O3 Fe3OH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in C12O OF2 H2O (2) N2O C12O OF2 H2O (2) N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Abiotic Biotic Renewable Non-renewable Abiotic Biotic Renewable Non-renewable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Nylon Terricot Rayon Cotton Nylon Terricot Rayon Cotton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Chlorine Bromine Iodine Fluorine Chlorine Bromine Iodine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Wood burning Paints Acid Plants Domestic sewage Wood burning Paints Acid Plants ANSWER DOWNLOAD EXAMIANS APP
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