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  1. B

    Physics practical paper 33

    yes you r write tht we usually take meters for second but we werent finding speed here and secondly if u notice the questiona ctually did say tht the first x= 5 cm!!! and not meter!! thts the hint and apart from tht there were no indications for unit so i took it as cm ofcourse!!
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    Physics practical paper 33

    hey yr ans absolutely matches mine.. my gradient was an eact -0.04 and y intercept sumthing like yrs!!!! phew!! sum ppl got gradients like 4.9 sumthin or 0.4 im surprised tht HOW?:S my a/b value was 68.5 i gues.. wohoiooo tht means we nailed it!!! it was quite easy ..haha i almost broke the...
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    Chemistery P22 (As Strustured questions)

    UMM ...if its said in the question tht its UNSATURATED then it is AN ALKENE!!! DOUBLE BONDS HELLO? methane is saturated!!!!!!!!!!!!!!!!!
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    Chemistery P22 (As Strustured questions)

    @mathmaster... lets not forget tht the hydrocarbon cud have been an alkene!! then the equation becomes this CxHy + (x+y/4)O2-->xCO2 +x H2O also the combustion product was co2 ..and the volumes were 10 and 20 not 10 and 10 then only the final molecular formula came out as c2h4 thanku
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