Neutralization Reactions

Acids taste…

Sour

Bases taste…

Bitter

Acids contain…

Hydrogen (H+)

H₃O⁺ is called the ______ ion

Hydronium

Why is pure water considered neutral?

Pure water is neutral because it has a pH of 7

Bases contain…

Hydroxide (OH-)

Acids react with ___ to produce hydrogen gas

Some metals to produce hydrogen gas

Acids turn ___ litmus paper to ___

Blue to red

Bases turn ____ litmus paper to ____

Red to blue

Both bases and acids conduct ____

Electricity

Acids and bases react together to form…

Water (H2O) and Salt

Acids have a pH level ____ than 7

Lower (Acids<7)

Bases have a ____ pH level than 7

Higher (Bases>7)

Bases feel…

Slippery and soapy

What are 3 examples of a strong acid?

HCl, HI (like hi), HBr

What is 1 examples of a weak acid?

HF

What are 3 examples of a strong base?

KOH, LiOH, NaOH

What is 1 examples of a weak base?

H2O (mention how it’s also a weak acid)

What is a “strong” acid/base?

100% ionization in water (breaks apart completely into its ions when dissolved in water)

What is a “weak” acid/base?

Partial ionization in water

What is an (acid/bases) indicator?

A substance that changes color depending on whether a solution is acidic or basic.

What other indicators are there except for litmus paper?

Congo Red, Cabbage juice, Universal Indicator and Phenolphthalein

Bases will turn phenolphthalein indicator…

Pink

Acids will turn phenolphthalein indicator…

Colorless

A pH scale of 0-6 is…

Acidic

A pH scale of 7 is…

Neutral

A pH scale of 8-14 is…

Basic

What are neutralization reactions?

When an acid reacts with a base to produce salt and water

What is a “salt” made from?

A positive ion from the base and a negative ion from the acid

More H₃O⁺ than water

Acid

Less H₃O⁺ than water

Base

Pure water has a pH score of…

7 (neutral)