Acids and Alkalis

What is a property of acids?

• Acids are always solid at room temperature

• Acids donate protons or accept electrons.

• Acids absorb protons

• Acids are neutral in nature

What is a property of alkalis?

• turn blue litmus paper red

• pH less than 7

• pH greater than 7, turn red litmus paper blue, bitter taste

• sour taste

Which indicator is used to test for acids?

• pH meter

• Litmus paper

• Bunsen burner

• Thermometer

Which indicator is used to test for alkalis?

• Universal indicator

• PH paper

• Burette

• Litmus paper

What type of reaction occurs during neutralization?

• Double displacement reaction

• Single displacement reaction

• Combustion reaction

• Decomposition reaction

What are some common uses of acids?

• Watering plants, Fuel for vehicles, Building materials

• Cleaning, pH regulation, food preservation, chemical synthesis

What are some common uses of alkalis?

• Cooking ingredients, fuel source, medical treatments

• Cleaning agents, manufacturing of soap and detergents, neutralizing acids, agriculture as fertilizers

What is the pH range of acids?

• 2 to 6.99

• 0 to 6.99

• 0 to 8.99

• 1 to 7.99

What is the pH range of alkalis?

• 1 to 6

• 8 to 14

• 0 to 7

• 7 to 14

What happens when an acid reacts with a metal?

• Carbon dioxide gas and a salt are produced.

• Hydrogen gas and a salt are produced.

• Oxygen gas and water are produced.

• Nitrogen gas and a base are produced.