| A | B |
|---|
| What is 2 called in the following Mg + 02=Mg0? | subscript |
| What are numbers in front of the symbols and formulas called? | coefficient |
| In which type of reaction do icons in two compounds switch places? | double replacement |
| What kind of reaction occurs when two or more substances combine to form a single compound? | synthesis |
| What kind of reaction occurs when a single compound breaks down to form two or more simple substances? | decomposiion |
| What kind of reaction occurs when an element takes the place of another element that is part of a compound? | single replacement |
| What is a decomposition reaction? | When a compound breaks down |
| Water being broken down (decomposed0 into the elements by hydrogen and oxygen is an example of what type of reaction? | decomposition |
| Given a model, distinguish between synthesis, single-replacement, decomposition and double replacement reactions. | OK |
| How does an increase in the amount of hydrogen ions in a solution affect the pH? | It reduces the pH. |
| Which of the following has the lowest pH: salt, weak acid, weak base or strong acid | weak acid |
| What happens when an acid reacts with a base? | An acid and a base neutralize one another to produce water and a salt. |
| What is a compound that increases the number of hydrogen ions when dissolved in water? | acid |
| What type of gas can be produced when an acid reacts with a metal? | hydrogen gas |
| Why do solutions containing acids conduct an electric current? | Acids break apart to form ions in water. They increase the number of hydtogen ions in a solution. |
| What acid used in car batteries and to make paper and paint is the most widely produced industrial chemical in the world? | sulfuric acid |
| Which of the following is found in orange juice: citric acid, ascorbic acid (vit C), nitric acid | citric acid and ascorbic acid (vit. c) |
| Which of the following acids are found in carbonated soft drinks? | carbonic and phosphoric acid |
| What is a compound considered to be when all the molecules of a compound break apart in water to produce hydrogen ions? | A strong acid |
| What is a compound considered to be when few molecules of a compound break apart in water to produce hydrogen ions? | Acid |
