er having studied chemical reactions in school, Jose knew that when oxygen and hydrogen gases combine in the correct amounts, the combination yields a new substance, water. Choose the words to finish the sentence.

Question

The hydrogen and oxygen are
, while the water is the
1. products
2. polymers
3. reactants
4. synthetics

Answer 1

The hydrogen and oxygen are reactants, while the water is the product.

So the completed sentence would be:
"The hydrogen and oxygen are reactants, while the water is the product."