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Chlorine gas, potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Name a metal: (a) Which can be easily cut with a knife (b) Which forms amalgams (c) Which has no fixed shape 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Name a non-metal: (a) Which is lustrous? (b) Which is required for combustion? 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound? 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Explain why, a solution of salt in water is considered a mixture and not a compound. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh List five characteristics by which compounds can be distinguished from mixtures. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh State two reasons for supposing that brass is a mixture and not a compound. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Define a mixture. Give two points of evidence to show that sugar solution is a mixture. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Define a compound. Give two points of evidence to show that sodium chloride is a compound. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Give two reasons for supposing that water is a compound and not a mixture. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Is air a mixture or a compound? Give three reasons for your answer. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Choose the solutions from among the following mixtures: Soil, Sea-water, Air, Coal, Soda-water 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh How would you confirm that a colourless liquid given to you is pure water? 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Give reason why: (a) Copper metal is used for making electric wires. (b) Graphite is used for making electrode in a dry cell. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh State any two properties for believing that aluminium is a metal. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Compare the properties of metals and non-metals with respect to (i) malleability (ii) ductility, and (iii) electrical conductivity. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh State two physical properties on the basis of which metals can be distinguished from non-metals. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh What are the three groups into which all the elements can be divided? Name two elements belonging to each group. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element. 3 years ago BidishaKashayap1333 class 9 is matter around us pure lakhmir singh Page 2 / 5 Prev 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
