Acids, Bases and Salts

pH 1

pH 5

pH 7

pH 13

A substance that produces $H^{+}$ ions in water

A substance that donates a proton

A substance that accepts a proton

A substance that contains hydroxide ions

Oxygen

Hydrogen

Carbon dioxide

Chlorine

It forms a neutral solution.

It forms an acidic solution with a pH less than 7.

It forms an alkaline solution with a pH greater than 7.

The ash does not react with water at all.

$CO$ and $NO$

$CO_2$ and $SO_2$

$Al_2O_3$ and $ZnO$

$Na_2O$ and $K_2O$

Acidic oxide

Amphoteric oxide

Basic oxide

Neutral oxide

Filter $\rightarrow$ Evaporate to saturation $\rightarrow$ Crystallize $\rightarrow$ Dry

Evaporate to dryness $\rightarrow$ Filter $\rightarrow$ Crystallize $\rightarrow$ Dry

Crystallize $\rightarrow$ Filter $\rightarrow$ Evaporate $\rightarrow$ Dry

Filter $\rightarrow$ Wash with water $\rightarrow$ Evaporate to dryness

To speed up the rate of the reaction

To act as a catalyst for the crystallization process

To ensure that all of the acid has been completely neutralized

To lower the pH of the resulting solution to exactly 7

Copper metal and dilute hydrochloric acid

Copper(II) oxide and dilute sulfuric acid

Copper metal and dilute sulfuric acid

Copper(II) carbonate and dilute hydrochloric acid

Turns limewater milky

Relights a glowing splint

Produces a 'pop' sound with a lighted splint

Bleaches damp litmus paper

$Fe^{2+}$

$Fe^{3+}$

$Cu^{2+}$

$Cr^{3+}$

Aqueous silver nitrate ($AgNO_{3}$)

Aqueous barium nitrate ($Ba(NO_{3})_{2}$)

Aqueous sodium hydroxide ($NaOH$)

Aqueous potassium iodide ($KI$)