pH (Acids & Bases)

Another way of saying "dissociation of water" would be ....

• water coming apart

• water becoming acidic or basic

• water changing states

• water becoming charged

Tags

NGSS.HS-PS3-5

When water dissociates, the first reaction produces ....

• H₂O

• H₃O⁺ and OH^-

• H⁺ and OH^-

• H⁺ and H₂O

Tags

NGSS.HS-PS1-7

When water dissociates, the second reaction produces ....

• H₂O

• H⁺ & H₂O

• H⁺ & OH^-

• H₃O⁺

Water is a neutral substance because ....

• it has more basic ions than acidic ions

• it does not have any hydronium or hydroxide ions

• it has an equal concentration of hydronium and hydroxide ions

• it has more acidic ions than basic ions

Tags

NGSS.HS-ESS2-5

A solution that has more hydroxide ions than hydronium ions is ....

• neutral

• a base

• an acid

The hydronium ion is ....

• H₃O⁺

• OH^-

• H⁺

• H₂O

Tags

NGSS.HS-PS1-4

The hydroxide ion is ....

• H₃O⁺

• OH^-

• H⁺

• H₂O

The pH measurement is .....

• the amount of acid or base in a solution

• a comparison of the concentration of H₃O⁺ and OH^- ions in a solution

• a comparison of (+) and (-) ions in a solution

• a comparison of how water dissociates in different solutions

A solution containing a greater concentration of hydronium ions than hydroxide ions is ....

• neutral

• an acid

• a base

An example of an acid would be ....

• HCl

• ammonia

• blood

• intestinal fluid