Colors and Solubilities of Salts and Oxides

What is the color of chloride, sulfate, nitrate, and carbonate salts in solid form?

• Green

• Red

• Blue

• White

How do sodium, calcium, and zinc salts appear in aqueous solutions?

• Colorless

• Green

• Yellow

• Blue

Why are ions separated into two groups based on their color properties?

• To identify positive and negative ions separately

• To make them more colorful

• To increase their solubility

• To change their chemical properties

What is the color of hydrated copper(II) sulfate?

• Blue

• Red

• Green

• Yellow

Which copper salt is green in color?

• Copper carbonate

• Copper nitrate

• Copper chloride

• Copper sulfate

What is the color of iron(II) salts in solid form?

• Brown

• Yellow

• Green

• Blue

How do iron(III) salts appear in solid form?

• Brown

• White

• Blue

• Green

Which oxide is black in color?

• Lead(II) oxide

• Magnesium oxide

• Copper(II) oxide

• Zinc oxide

What color does zinc oxide turn when heated?

• White

• Yellow

• Blue

• Red

What is the color of lead(II) oxide when it is cold?

• Brown

• Yellow

• Black

• Green