3.18 gram of copper on heating in air give 2.98 gram of black copper oxide 1.06 gram of copper oxide on reduction with hydrogen gives 0.84 7 gram of copper showed that this figures are in accordance with the law of Definite proportion
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Weathering is the breaking down of rocks, soils, and minerals as well as wood and artificial materials through contact with the Earth's atmosphere, water, and biological organisms.What is weatheting?
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