Question Info

This question is public and is used in 76 tests or worksheets.

Type: Multiple-Choice
Category: Reactions
Level: Grade 7
Author: mrtjackson
Created: 10 years ago

View all questions by mrtjackson.

Reactions Question

View this question.

Add this question to a group or test by clicking the appropriate button below.

Grade 7 Reactions

When two substances react chemically to produce a new substance, what is TRUE of the mass of the two substances compared to the mass of the new substance?
  1. They have the same mass.
  2. The mass of the two substances is less than the mass of the single substance.
  3. The mass of the two substances is more than the mass of the single substance.
  4. None of the above.