Acid Base Neutralization

Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are:

• pink and colourless

• blue and red

• red and blue

• colourless and pink

Milk of magnesia is used as an

• Chocolate

• Soup

• antacid

• None of them

Which is a natural indicator

• Phenoptyalin

• Sulpher

• Litmus

• Naoh

What would be the two new compounds that would be formed in this reaction?

HCl + NaOH -> ______? + ______?

• NaCl

• ClOH

• HNa

• H₂O

Tags

NGSS.MS-PS1-1

An indicator will ______________ when it is in contact with an acid or base

• Bubble

• Form a new substance

• Change color

• Stay the same color

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

What does a base release when placed in water?

• hydroxide ions (OH-)

• hydrogen ions (H+)

• ions

• molecules

Which solution releases H+ in solution?

• Base

• Acid

• Buffer

• Water

What would be the two new compounds that would be formed in this reaction? HNO₃ + KOH -> ______? + ______?

• NOH

• KH

• KNO₃

• H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many times stronger is an acid with a pH of 2 than 7?

• 100

• 1,000

• 10,000

• 100,000