science ncert chapter 3 experiment of activity 3.14
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Brief procedure: Activity 3.14 asks us to experiment with iron nails in various conditions. A. Iron dipped in water B. Nail dipped in water with some oil floating on water. C. Iron nail with calcium chloride. Observation: Nails in test tube A got rusted in a few days. Nails in test tube B and C did not get rust. Inference: It shows water and air both are necessary to form rust.
Continue reading at Activity 3.14 NCERT Class 10 Science, Metals and Non-metals
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According to you , how the world will end some day ? Please answer according to Fire and Ice poem Class 10
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