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1. |
In an experiment 1.288 g of copper oxide was obtained from 1.03 g of copper and 0.258 g of oxygen. Calculate the ratio of copper and oxygen in the sample?( (B) 8:1 (C) 4:1 (D) 1:8 (A) 1:4 |
Answer» THINK FIRST YES the ANSWER is D OPTION = 1:8 | |