Science @ Home

Which of the following substances contain acid?

• An orange
• Bleach
• Distilled water
• Washing powder

Which of the following pH numbers indicates a neutral substance?

• 1
• 5
• 7
• 14

Which of the following pH numbers indicates a strong acid?

• 1
• 5
• 7
• 14

Which of the following pH numbers indicate a strong alkali?

• 1
• 5
• 7
• 14

What colour is universal indicator in strong acid?

• Green
• Orange
• Purple
• Red

Tags

NGSS.MS-PS1-2

What colour is universal indicator in a neutral solution?

• Green
• Orange
• Purple
• Red

Strong acids and strong alkalis are.......

• Able to turn blue litmus paper red
• Corrosive and/or caustic
• Sour
• Sweet

If an acid is combined with a base of equal strength, the result will most likely be

• a neutral solution.
• a stronger acid.
• impossible to tell without testing the pH.
• a stronger base

Tags

NGSS.MS-PS1-2

When using pH paper, the pH of a solution can be determined by looking at the _______ of the paper.

• texture
• color
• length
• mass

Used to tell how acidic or basic a liquid is

• Neutralization
• pH scale
• Ion
• Emissions