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

Theodor Kocher
Karl Landsteiner
Karl Hooper
Otto Warburg

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
The lone pair electrons on oxygen in a H20 molecule

carry a partial negative charge
carry a partial positive charge
form covalent bonds in ice
are not important for the properties of water

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7?

7
1 x 10-7
5 x 10-7
7 x 10-7

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
Which of the following will easily dissolve in a polar solvent?

argon
sodium chloride
methane
gasoline (heptanes & octanes)

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
↑