Q. The main difference between an acid and a base is that

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Q. A solution with pH = 5 is __________ than a solution with pH = 7.

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Q. The lone pair electrons on oxygen in a H₂0 molecule

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Q. Which of the following statements about water is correct?

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Q. The strength of an acid depends on

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Q. Which of the following statements about covalently bonded molecules is false?

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Q. A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule?

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Q. The effectiveness or capacity of a buffer solution can be affected by

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Q. Who discovered and described the blood groups (ABO) classification?

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Q. H₂O and CH₄ are both examples of

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Q. Hydrogen bonds and hydrophilic interactions are types of

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Q. Which of the following organic groups are found in naturally occuring amino acids?

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Q. Polyprotic acids such as H₃PO₄, can act as acid-base buffers

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Q. The pH of a solution is determined by

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Q. The reactions of molecules

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Q. Which of the following indicates that the pK of an acid is numerically equal to the pH of the solution when the molar concentration of the acid and its conjugate base are equal?

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Q. Which of the following will easily dissolve in a polar solvent?

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Q. The elements oxygen, nitrogen, and carbon

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Q. Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages.

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Q. Salt dissolves well in water as water molecules

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