Question types

Start with

Question limit

of 8 available terms

Advertisement Upgrade to remove ads
Print test

3 Written questions

3 Multiple choice questions

  1. are a special class of proteins that act as a catalyst for many of the chemical reactions that support life.
  2. The basic building blocks of matter
  3. when a solution has a pH of 7.

2 True/False questions

  1. solutewhen one substnace is dissolved in another, resulting in a physical change.


  2. alkalinesubstances that tast sour and have a pH level under 7