Acid and Base Properties

Which of these is a property of acidic solutions?

• they taste sour

• they feel slippery

• they are in many cleaning products

• they taste bitter

KOH will release which ion?

• OH-
• H+
• OH+
• H-

An unknown substance was tested and found to have an extremely high concentration of hydroxide ions, OH^-. and very low concentration of hydronium ions, H₃O⁺. Which pH would make the most sense?

• pH = 2

• pH = 6

• pH = 8

• pH = 12

Match

• Salt

• NaCl

• Base

• OH-

• Acid

• H+

Match the following

• acid

• lower than 7

• base

• 7

• neutral

• higher than 7

Bases, also known as ​ (a)   will turn litmus paper ​ (b)   . This is because they have a pH ​ (c)   . They taste ​ (d)   .

• alkali and OH-
• blue
• above 7
• bitter
• below 7
• H+
• red
• sour

Acids, also known as ​ (a)   , will turn litmus paper ​ (b)   . This is because they have a pH ​ (c)   . They taste ​ (d)   .

• H+
• red
• below 7
• sour
• bitter
• above 7
• blue

What happens to acids when they react to metals?

• Produce Oxygen gas

• Helium Gas

• Hydrogen gas

Which are more corrosive with metals?

• Acids

• Bases

• Both are corrosive

​ (a)   conduct electricity and turn litmus paper red.

• Acids
• Bases
• Neutral solutions
• Salts

Answer explanation

Acidic solutions conduct electricity and turn litmus paper red.

Tags

hsps1b

HS-PS1-B