Acids and Bases

Which pH represents the solution with the highest Hydrogen ion concentration

• pH=1

• pH=3

• pH=7

• pH=11

Which pH represents the solution with the lowest Hydroxide ion concentration

• pH=1

• pH=3

• pH=7

• pH=11

Which compound represents an acid?

• NaOH

• HCl 

• CH₂OH

• NaCl

Tags

NGSS.HS-PS1-1

Which compound represents an base?

• NaOH

• HCl 

• CH₂OH

• NaCl

According to the alternate acid base theory, a compound is a base if it

• donates a hydrogen ion

• accepts a hydrogen ion

• donates a hydroxide ion

• accepts a hydroxide ion

According to the alternate acid base theory, a compound is an acid if it

• donates a hydrogen ion

• accepts a hydrogen ion

• donates a hydroxide ion

• accepts a hydroxide ion

A solution has a pH of 6.2, if its hydrogen ion concentration is increased by 10 times, what would its new pH be?

• 5.2

• 7.2

• 8.2

• 4.2

A solution has a pH of 6.2, if its hydrogen ion concentration is decreased by 100 times, what would its new pH be?

• 5.2

• 7.2

• 8.2

• 4.2

Which of the compounds below is an electrolyte?

• LiCl

• CH₄

• CH₃OH

• Na

Which of the compounds below is an electrolyte?

• Li

• CH₄

• CH₃OH

• NaOH