Single and Double Replacement Reactions Test Review

Front

What are single replacement reactions?

Back

Single replacement reactions occur when one element replaces another element in a compound. For example, in the reaction A + BC → AC + B, A replaces B.

Front

What are double replacement reactions?

Back

Double replacement reactions involve the exchange of ions between two compounds. The general form is AB + CD → AD + CB.

Front

What is the product of the reaction between ammonium dichromate and zinc nitride?

Back

The products are zinc dichromate and ammonium nitride.

Front

What do you get when magnesium chloride reacts with lead(II) nitrate?

Back

The products are magnesium nitrate and lead(II) chloride.

Front

How do you calculate the total number of atoms in a compound?

Back

To find the total number of atoms, multiply the subscript of each element by the coefficient (if present) and sum them up.

Front

Balance the equation: C3H8 + O2 → CO2 + H2O. What is the balanced equation?

Back

The balanced equation is C3H8 + 5O2 → 3CO2 + 4H2O.

Front

What type of reaction is Fe + H2SO4 → Fe2(SO4)3 + H2?

Back

This is a single replacement reaction.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a reactant in a chemical reaction?

Back

A reactant is a substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.