A.   Deliquescent substance

        B.   Efflorescence substance

        C.   Anhydrous substance

        D.   Hygroscopic substance

        A.   Dissolve $$2 cm{^3}$$ of the stoke solution in 250 cm3 of water

        B.   Dissolve $$1 cm{^3}$$ of the stoke solution in $$250 cm{^3}$$ of water

        C.   Dissolve $$2 cm{^3}$$ of the stoke solution in $$248 cm{^3}$$ of water

        D.   Dissolve $$1 cm{^3}$$ of the stoke solution in $$249 cm{^3}$$ of water

        A.   It means $$100 cm{^3}$$ of that solution weight 12500 g

        B.   It means $$1 cm{^3}$$ of that solution weight 1250 g

        C.   It means $$1 cm{^3}$$ of the weight 125 g

        D.   $$1 cm{^3}$$ of that solution weight 1.25 g

        A.   25 mls

        B.   300 mls

        C.   600 mls

        D.   575 mls

        A.   Deliquescence substance

        B.   Anhydrous substance

        C.   Efflorescence substance

        D.   Hygroscopic substance

        A.   The solute must be solid and 2. the solvent must be liquid

        B.  The solute must be pure and 2. a suitable solvent be measured todefinite volume

        C.  The solvent must be water and 2. the solute must be crystal form

        D.  The solute's nature must be known and 2. the solvent can be unknown

        A.   A solution of which the concentration is partially known

        B.   Concentration which has 1 mol dissolved in 1 dm3 of solvent

        C.   A solution of which the concentration is accurately known

        D.   A solution containing a pure substance dissolve in a known volume of solvent

        A.   $$1.66 % w/v$$

        B.   $$305 % w/v$$

        C.   $$150 % w/v$$

        D.   $$60 % w/v$$

        A.   485 g

        B.   450 g

        C.   35 g

        D.   157.5 g

        A.   $$72 % w/w$$

        B.   $$20 % w/w$$

        C.   $$5 % w/w$$

        D.   $$25 % w/w$$

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