Reactions of Acids with Metal Oxides and Hydroxides

The video explores reactions between acids and metal oxides or hydroxides, producing salts and water. Hydrochloric acid forms chlorides, sulfuric acid forms sulfates, and nitric acid forms nitrates. Examples include reactions with copper oxide, potassium hydroxide, magnesium oxide, and calcium hydroxide. Universal indicators can show when reactions are complete by changing color. The video concludes with a summary of these reactions.

What are the products when an acid reacts with a metal oxide or hydroxide?

• Salt and hydrogen

• Salt and water

• Water and oxygen

• Hydrogen and oxygen

What is formed when hydrochloric acid reacts with copper oxide?

• Copper nitrate and water

• Copper hydroxide and water

• Copper sulfate and water

• Copper chloride and water

Which salt is produced when sulfuric acid reacts with potassium hydroxide?

• Potassium carbonate

• Potassium sulfate

• Potassium nitrate

• Potassium chloride

What are the products when nitric acid reacts with magnesium oxide?

• Magnesium sulfate and water

• Magnesium chloride and water

• Magnesium nitrate and water

• Magnesium hydroxide and water

Which indicator is most effective for showing neutralization in these reactions?

• Universal indicator

• Phenolphthalein

• Methyl orange

• Litmus paper

What color does the universal indicator turn when the reaction is complete?

• Green

• Blue

• Yellow

• Red

Which acid produces nitrates when reacting with metal oxides or hydroxides?

• Sulfuric acid

• Acetic acid

• Hydrochloric acid

• Nitric acid