FreeMCATPrep Logo

Support us and cryptocurrency!
Try a browser that's faster, safer, ad-free, and earns you cryptocurrency for using it! W3Schools


More Than 475 Free MCAT Questions with Detailed Answers!

Click HERE for your Random Question from our MCAT Question A Day Archive


MCAT Question A Day - 1/4/14 - Answer!

Which are strong bases, and which are weak?
  1. NaOH
  2. Na2O
  3. NH3
  4. H-
  5. HS-
  1. Strong (NaOH = sodium hydroxide)
  2. Strong (Na2O = sodium oxide)
  3. Weak (NH3 = ammonia)
  4. Strong (H- = hydride ion)
  5. Weak (HS- = hydrosulfide ion)