Law of Conservation of Matter Quick Check

Question

Science 8 Q1 / Matter Interactions

Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?(1 point)
Responses

Find the mass of a piece of paper. Tear the paper into smaller pieces. Find the mass of the pieces.

Find the mass of an acid and a base. Combine them to produce water and a salt. Find the mass of the water and salt.

Find the mass of a log. Burn the log until it turns to ash and smoke. Find the mass of the ash.

Find the mass of a stick of butter. Heat the butter until it melts. Find the mass of the melted butter.

Answer 1

The correct answer is: Find the mass of an acid and a base. Combine them to produce water and a salt. Find the mass of the water and salt.