Base Solution

Letter B...

• substrate

• active site

• enzyme

• products

Tags

NGSS.MS-LS1-7

What is a base solution in chemistry?

• A solution with a pH less than 7

• A solution with a pH equal to 7

• A solution with a pH greater than 7

• A solution with a pH of exactly 0

Which of the following is a common property of a base solution?

• Sour taste

• Bitter taste

• Sweet taste

• No taste

What happens to red litmus paper when it is dipped into a base solution?

• It turns blue

• It turns red

• It remains red

• It turns green

Which of the following is an example of a base solution?

• Vinegar

• Lemon juice

• Soap solution

• Distilled water

What is the role of hydroxide ions (OH-) in a base solution?

• They increase the acidity

• They decrease the acidity

• They increase the basicity

• They have no effect

Which of the following equations represents the dissociation of a base in water?

• @@ ext{NaOH} ightarrow ext{Na}^+ + ext{OH}^-@@

• @@ ext{HCl} ightarrow ext{H}^+ + ext{Cl}^-@@

• @@ ext{H}_2 ext{O} ightarrow ext{H}^+ + ext{OH}^-@@

• @@ ext{NH}_3 + ext{H}_2 ext{O} ightarrow ext{NH}_4^+ + ext{OH}^-@@

What is the pH range of a typical base solution?

• 0-3

• 4-6

• 7-10

• 8-14

Which of the following substances can neutralize a base solution?

• Another base

• A salt

• An acid

• Water

What is the effect of a base solution on phenolphthalein indicator?

• Turns it red

• Turns it blue

• Turns it pink

• No change