Oxides, acids, bases, salts

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

• Acid

• Base

• Neither (Neutral)

HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?

• Acid

• Base

• Neither (Neutral)

Is pure water acidic, basic, or neutral?

• Acidic

• Basic

• Neutral

sulfuric acid

• HSO₃

• H₂SO₃

• H₂SO₄

• H₃SO₄

Mg(OH)₂

• magnesium hydroxide acid
• hydromagnesium acid
• magnesium oxygen hydride
• magnesium hydroxide

In a neutralization reaction, what are the products of a reaction between an acid and a base?

• Another acid and base
• Carbon dioxide and a salt
• Water and a salt
• Either two acids or two bases

A substance is found to have the following characteristics:

Very bitter taste

Feels soapy to the touch

Produces OH^- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

Basic oxide

• BaO

• P₂O₅

• ZnO

• CO₂

How are metal oxides formed?

• When metals react with oxide.
• When metals react with water.
• When metals react with air.
• When metals react with oxygen.

Which of the following reactions produces calcium oxide?

• calcium and oxide
• calcium and water
• calcium and air
• calcium and oxygen