Chemistry

Front

What should Alex do to find out if a chemical reaction happens when mixing two substances?

Back

Test the solubility before and after mixing.

Front

What is a product in a chemical reaction?

Back

The ending substance.

Front

What is a reactant in a chemical reaction?

Back

The starting substance.

Front

In the reaction: Hydrogen + Oxygen --> Water, identify the reactant(s).

Back

Hydrogen and Oxygen.

Front

Is burning always a chemical reaction?

Back

True.

Front

What is a chemical reaction?

Back

A process where substances (reactants) are transformed into new substances (products).

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Rusting of iron.

Front

What is solubility?

Back

The ability of a substance to dissolve in a solvent.