Chemistry PH scale ranges from 0 – 7 8 – 14 None 0 – 14 0 – 7 8 – 14 None 0 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Mg None of these Hg Mr Mg None of these Hg Mr ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Graphite Phosphorus Sulphur Bauxite Graphite Phosphorus Sulphur Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 15 21 13 18 15 21 13 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero 8 –4 4 Zero 8 –4 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Carbon dioxide Acid rain Oil spill Radioactive waste Carbon dioxide Acid rain Oil spill Radioactive waste ANSWER DOWNLOAD EXAMIANS APP
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