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Gravity Separation

ntEach of thr...

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ntEach of three metals x,y and z were put in turn into aqueous solution of the other two. x+ salt of y (or z)= y (or z) + salt of xn ntWhich one of the following observation is incorrectn nt1. y + salt of x=no action observedn nt2. y+ salt of z= z+ salt of yn nt3. z+ salt of x= x+ salt of zn nt4. z+ salt of y= no action observedn ntExplainn ntn

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