• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Water, pH and Macromolecules

Water, pH and Macromolecules
Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages.

hydrogen
covalent
ionic
noncovalent

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
Most of the important functional groups in biological molecules contain

oxygen and/or nitrogen and are acidic
nitrogen and a phosphate
oxygen and/or nitrogen and are polar
oxygen and a phosphate

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
Which of the following alcohols would be most soluble in water?

ethanol
octanol
butanol
methanol

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
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?

Henderson-Hasselbalch equation
Michaelis-Menten equation
Hardy-Windberg law
Haldanes equation

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
Polyprotic acids such as H3PO4, can act as acid-base buffers

if their concentration is kept low
at pH values around neutrality
at pH values around any of their pKa's
only in combination with polyprotic bases

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
The strength of an acid depends on

number of neutrons gain
electronegativity
number of protons released
number of double bonds

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Water, pH and Macromolecules

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑