Acids and Bases

What are the properties of bases?

• Sweet taste, slimy texture, and turn red litmus paper green

• Bitter taste, slippery feel, and turn red litmus paper blue

• Sour taste, rough texture, and turn blue litmus paper red

• No taste, dry feel, and turn blue litmus paper yellow

Name an indicator used to test for acids.

• pH meter

• Thermometer

• Hydrometer

• Litmus paper

Name an indicator used to test for bases.

• pH indicator

• Color indicator

• Density indicator

• Temperature indicator

How do acids and bases differ in terms of their pH levels?

• Acids have pH levels above 7, while bases have pH levels below 7.

• Acids and bases have the same pH levels.

• Acids have pH levels of 7, while bases have pH levels of 14.

• Acids have pH levels below 7, while bases have pH levels above 7.

Colour of methyl orange in acids

• Red

• Yellow

• Orange

• Pink