1) Which is included to matter a) electricity b) light c) chalk d) sound 2) which is the characteristic of solid a) have definite shape b) dont have volume c) have not a mass d) cant touch 3) which is liquid ? a) oxygen b) carbondioxide c) petrol d) soil 4) which is an example for harrdness a) rubber b) diamond c) charcoal d) glass 5) which has the rough texture a) wheat flour b) sand paper c) metal d) soil

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