Spot the odd one

Exercise and reference answers

Questions

1. Items

   1. Donates proton
   2. Sour taste
   3. Accepts proton
   4. Conjugate base

   Odd item

   Accepts proton

2. Items

   1. Equal ions
   2. Neutral
   3. Neither excess
   4. Acidic

   Odd item

   Acidic

3. Items

   1. Hydrochloric acid
   2. Sodium hydroxide
   3. Calcium hydroxide
   4. Hydroxide ion

   Odd item

   Hydrochloric acid

4. Items

   1. Partly ionized
   2. Fully ionized
   3. Mostly whole
   4. Small Ka

   Odd item

   Fully ionized

Instructions

One item in each row does not belong. Tap it.

Explanation