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Which of the following is TRUE about the properties of aqueous solutions?
Select one:
a. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration ([OH-]) of 20 percent.
b. A pH change from 8.0 to 6.0 reflects a decrease in the proton concentration ([H+]) by a factor of 100.
c. Charged molecules are generally insoluble in water.
d. Hydrogen bonds form readily in aqueous solutions.
e. The pH can be calculated by adding 7 to the value of the pOH
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Composition of blood: Take few ml. of fresh blood in a test tube and before collecting the blood add a few drops of sodium oxalate or sodium citrate solution to prevent clot
URINIFEROU S TUBULE - Unit of kidney. 3-5 cm. long (30 mm). Total length of nephrons is 65 km. A tubule consists of - 1 . Malpighian capsule (
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Endocytosis is the uptake of extracellular macromolecules across the plasma membrane into the cell. The objects to be ingested is progressively enclosed by a small portion of
#questiHow do the non parasitic lampreys interact with other members of their ecosystem in comparison to their parasitic cousinson..
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