REACTION WITH OXYGEN You are familiar with the phenomenon of rusting of iron. Recall the reaction by which rust is formed. You had also performed in Class VII activity of burning a magnes
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REACTION WITH WATER Let us see how metals and non-metals react with water. Sodium metal is very reactive. It reacts vigorously with oxygen and water. A lot of heat is generated in the reaction.
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REACTION WITH ACIDS Let us see how metals and non-metals behave with acids. Activity 4.6: (Warning : Keep the mouth of the test tube away from your face. Use test tube holder to hol
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REACTION WITH BASES Activity 4.7: (To be demonstrated by the teacher. During the preparation of sodium hydroxide solution, care should be taken that pellets of sodium hydroxide are handled with
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DISPLACEMENT REACTIONS Activity 4.8: * Recall the activity of the reaction between copper sulphate and iron that you performed in Class VII. * Let us observe som
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