Chemistry

Front

Reactant

Back

The starting substance

Front

What is a product?

Back

The ending substance

Front

Identify the reactant(s) in the chemical reaction:
Hydrogen + Oxygen --> water

Back

Hydrogen and Oxygen

Front

Using the following chemical reaction
Hydrogen + Oxygen --> water
Identify the product(s).

Back

water

Front

Did a chemical reaction occur when Angelina mixes 2 substances together in a beaker, causing it to become hot and the liquid to change color?

Back

Yes, because the properties changed and a new substance was made.

Front

Which of the following are NOT signs that a chemical reaction occurred? Options: the properties changed, bubbles of gas formed, color stays the same, smells different

Back

color stays the same

Front

What is a precipitate?

Back

a solid formed

Front

What should Alex do to find out if a chemical reaction happens when mixing two substances? Options: test the solubility before and after mixing, measure the volume before and after mixing, measure the mass before and after mixing, test the density of the before substance but not the after substances.

Back

test the solubility before and after mixing

Front

Did a chemical reaction occur when a student mixes apple juice, water, and cinnamon together?

Back

No, because the properties stayed the same.

Front

Is burning always a chemical reaction?

Back

True