• 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
Otto Warburg
Theodor Kocher
Karl Landsteiner

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
A solution with pH = 5 is __________ than a solution with pH = 7.

2 times more basic
10 times more basic
100 times more acidic
10 times more acidic

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

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

acids
ions
molecules
none of these

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
↑