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What happens when, , fa) Dilute, ute sulphuric acid is poured, (b) Iron nails are pl ; ie Moat, , Copper sulphate BOhitiew>, f the re: Or, , aced in, Write word equations o:, , , , j actions { t, 10. Saloni took a pi -.., 0k a piece of burning chare ‘oal, a al and colle, , test tube Ss, € £a8 evolved +,, , (a) How will she find the nature of the gas 9, t as, (b) Write down word equations of all the, react, , process. ns taking place ty, , 11. One day Reeta went to a jewellers shop with her moth, an old gold jewellery to the goldsmith to polish. Ries: dap tine, the jewellery back, they found that there was shane, Can you suggest a reason for the loss in weight?, : Sea,, , her gv, en they brought, loss if its weight, , , , , , i: Prepare Index Cards for any four metals and four non-metals. The, card should have information like name of metal/non- metal, its, physical properties, chemical properties and its uses., , 2. Visit a blacksmith and observe how metals are moulded., , 3. Suggest an experiment to compare the conductivity of electricity by, , iron, copper, aluminium and zine. Perform the experiment anc, , prepare a short report on the results., , , , , , , , , , , , , , , , , , Find out the locations of the deposits of iron, ne _, in India. Mark these in an outline map of India. In which form, , the deposits found? Discuss in the class., ; why gold is, Discuss with your parents /neighbours/golsiniths why §, , referred for making jewellery, , als and, ysites and enjoy th, , et, e quiz on m, [ the following wet, , , istry_Tests, sts 7 »5/Chemistty—, } a/ testsquizzes, try.about.¢ om/0, tm, f science.com/ q/4, , .com/, , usemet-hunl, jandbook/ per, , , , iodic/ metals.htm, , , , , , a opngource, , @O© REDMINOTE 8, CO AI QUAD CAMERA