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a current of dry air was passed through a series of bulbs containing 1.25 g of solute A2B in 50 g of water and then through pure water .the loss in weight of the former series of bulbs was 0.98 g and in the later series 0.01 ...
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blood is said to be isotonic with 0.85%[wt/v].NaCl solution at 40degrees celsius.assuming complete dissosiation of nacl .calculate total concentration of various solutes in blood .also report its approximate freezing point. ...
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a student finds that 31.26ml of a 0.165M solution of Ba(OH)2 solution is required to just neutralise 25ml of citric acid[H3C6H5O7.WHAT is the concentration of the solution? ...
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a sample of hydrochloric acid contains 20% of hydrocloride by mass .how many grams of this acid sample is necessary to completely interact with 50 g of calcium carbonate? ...
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40 ml of 0.05M sesqui carbonate is titrated against 0.05MHCL . xml of hcl is used when phenophthelene is the indicator and y ml HCLis used when methyl orange is used as an indicator in two separate titrations.Hence y-x is equ ...
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if 100 ml of the acid is neutralised by 100 ml of 0.4M NAOH,the purity of concentrated HCL is?specific gravity=1.6 ...
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volumetric analysis 1.6 g of pyrolusite was treated with 60 ml of normal oxalic acid and some sulphuric acid .the oxalic acid left undecomposed was made upto 250ml ,25 ml of this solution required 32ml of 0.1Npottasium perman ...
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from the point p[1,√3] on the circle x2+y2=4 a tangent is drawn to the hyperbola x2/4-y2/1=1which meets its transverse axis at q.from q a line is drawn parallel to congugate axis ,which cuts the hyperbola at r above ...
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an ellipse haas ob as semi minor axis ,f and k as focii and the angle fbk is a right angle.then the eccentricity of the ellipse is ...
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if the line normal at [ct,c/t]on the curve xy=c2meets the curve again in tithen prove that ti =-1/t3 ...
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three normals are drawn from a point [c,o] to a parabola y2=x then c> ? ...
