Exploring Properties of Bases

What is a common property of bases in terms of taste?

• Sour taste

• Salty taste

• Sweet taste

• Bitter taste

How do bases feel to the touch?

• Bases feel slippery or soapy to the touch.

• Bases feel sticky and tacky to the touch.

• Bases feel rough and gritty to the touch.

• Bases feel warm and dry to the touch.

What color does litmus paper turn when it comes in contact with a base?

• Red

• Green

• Blue

• Yellow

What is the pH range typically associated with bases?

• pH range of 1 to 3

• pH range of 4 to 6

• pH range of 7 to 14

• pH range of 0 to 7

Can bases conduct electricity? Why or why not?

• No, bases only conduct electricity when mixed with acids.

• No, bases cannot conduct electricity under any circumstances.

• Yes, bases can conduct electricity when dissolved in water due to the presence of ions.

• Yes, bases can only conduct electricity in solid form.

What is a common household base?

• table salt

• sugar

• baking soda

• vinegar

How do bases react with acids?

• Bases neutralize acids to form water and salt.

• Bases react with bases to form acids.

• Bases increase the acidity of a solution.

• Bases evaporate when mixed with acids.

What is the role of bases in neutralization reactions?

• Bases react with bases to form water and salt.

• Bases increase the acidity of a solution.

• Bases have no effect in neutralization reactions.

• Bases neutralize acids by reacting with them to form water and salt.

What is the effect of bases on indicators like phenolphthalein?

• Bases have no effect on phenolphthalein.

• Bases turn phenolphthalein pink.

• Bases turn phenolphthalein blue.

• Bases make phenolphthalein colorless.

Why are bases important in everyday life?

• Bases are only used in laboratories.

• Bases are primarily used for making cosmetics.

• Bases are important for neutralizing acids, cleaning, and food preparation.

• Bases are harmful and should be avoided.