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

gasoline (heptanes & octanes)
sodium chloride
argon
methane

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
The elements oxygen, nitrogen, and carbon

are common elements in the molecules that make up living organisms
All of these
can all form covalent bonds with other elements
contain protons and neutrons in their atomic nuclei

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
Which of the following acid/base pairs act as natural buffers in living systems?

H2CO3/HCO3-
Histidine+/histidine
All of these
H2PO4-/HPO42-

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 a phosphate
oxygen and/or nitrogen and are polar

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
H2O and CH4 are both examples of

none of these
molecules
acids
ions

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
The pH of a solution is determined by

dielectric constant of the medium
environmental effect
relative concentration of acids and bases
concentration of salt

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
↑