Chemistry PH scale ranges from 0 – 7 0 – 14 8 – 14 None 0 – 7 0 – 14 8 – 14 None ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is magnesite carnallite calcite dolomite magnesite carnallite calcite dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Oxygen Krypton Argon Nitrogen Oxygen Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Sulphur dioxide gas Nitric oxide gas Carbon dioxide gas Nitrogen dioxide gas Sulphur dioxide gas Nitric oxide gas Carbon dioxide gas Nitrogen dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Forest residues Animal wastes Crop residues Aquatic plants Forest residues Animal wastes Crop residues Aquatic plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Mica Graphite Carbon Lead Mica Graphite Carbon Lead ANSWER DOWNLOAD EXAMIANS APP
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