• 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?

Karl Hooper
Karl Landsteiner
Theodor Kocher
Otto Warburg

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
The dissociation constant of H2O at 25° C is

10-14 M
10-7 M
1014 M
107 M

ANSWER DOWNLOAD EXAMIANS APP

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

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

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?

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

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
Which of the following organic groups are found in naturally occuring amino acids?

Imidazole
Indole
Guanidinium ion
All of these

ANSWER DOWNLOAD EXAMIANS APP

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

sodium chloride
gasoline (heptanes & octanes)
methane
argon

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
↑