Midterm Review-Chemistry 2024

Front

What does MSDS stand for?

Back

Material Safety Data Sheet

Front

What are the two changes of state of matter used in distillation?

Back

Evaporation and condensation

Front

What separation method is used to separate a mixture of salt and water?

Back

Evaporation

Front

What is the name of the lab equipment used to hold test tubes?

Back

Test tube holder

Front

What is the name of N₂O₅?

Back

Dinitrogen pentoxide

Front

What is the definition of a chemical change?

Back

A process where substances transform into different substances with different properties.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.

Front

What is the principle of conservation of mass?

Back

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

Front

What is a solution?

Back

A homogeneous mixture of two or more substances.