CUA 4 Test Corrections

Front

What are reactants in a chemical equation?

Back

Reactants are the substances that undergo a chemical change in a reaction, appearing on the left side of the equation.

Front

How many sodium (Na) atoms are in the compound 6NaCl?

Back

There are 6 sodium (Na) atoms in 6NaCl.

Front

What type of reaction is represented by the equation HCl + NaOH → HOH + NaCl?

Back

This is a double replacement reaction.

Front

According to the Law of Conservation of Mass, what happens to the mass of reactants and products?

Back

The mass of the reactants equals the mass of the products.

Front

Identify the type of reaction: Zn + H2S → ZnS + H2.

Back

This is a single replacement reaction.

Front

What are products in a chemical equation?

Back

Products are the substances formed as a result of a chemical reaction, appearing on the right side of the equation.

Front

What is a synthesis reaction?

Back

A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.

Front

What is a decomposition reaction?

Back

A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler products.

Front

What is a single replacement reaction?

Back

A single replacement reaction is a type of chemical reaction where one element replaces another in a compound.

Front

What is a double replacement reaction?

Back

A double replacement reaction is a type of chemical reaction where the anions and cations of two different compounds exchange places, forming two new compounds.