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Water, pH and Macromolecules MCQs

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Practice free Water, pH and Macromolecules multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 32 questions — no login required.

Question 1easy

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

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Question 2easy

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

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Question 3easy

The pH of a solution is determined by

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Question 4easy

The reactions of molecules

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Question 5easy

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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Question 6easy

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

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Question 7easy

Salt dissolves well in water as water molecules

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Question 8easy

Buffer solutions

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Question 9easy

A Bronsted acid becomes __________ upon losing a proton.