Copper Oxide Reactions with Acids

The video tutorial explains the reaction of metallic oxides with acids. It begins with an introduction to the materials needed, including beakers, distilled water, copper oxide, and sulfuric acid. The procedure involves adding copper oxide to both distilled water and sulfuric acid, observing the changes. The copper oxide remains unchanged in distilled water but turns blue in sulfuric acid, indicating a reaction. The tutorial concludes that metal oxides react with acids to form salt and water, specifically showing copper oxide reacting with sulfuric acid to form copper sulfate.

What materials are required for the experiment on the reaction of metallic oxides with acids?

• Beakers, distilled water, copper oxide, and glass rods

• Beakers, salt, copper oxide, and glass rods

• Beakers, distilled water, copper oxide, and plastic rods

• Beakers, distilled water, iron oxide, and glass rods

What is added to the first beaker during the experiment setup?

• Salt solution

• Dilute sulfuric acid

• Copper oxide

• Distilled water

What is the purpose of adding copper oxide to both beakers?

• To observe its reaction with distilled water and sulfuric acid

• To change the color of the solutions

• To neutralize the solutions

• To increase the temperature of the solutions

What change is observed in the copper oxide when added to sulfuric acid?

• It forms a precipitate

• It changes to a blue color

• It dissolves completely

• It remains black

What is the final color of copper oxide in distilled water?

• Blue

• Black

• Red

• Green

What are the products of the reaction between copper oxide and sulfuric acid?

• Copper carbonate and water

• Copper sulfate and water

• Copper chloride and water

• Copper nitrate and water

What conclusion can be drawn from the experiment?

• Metal oxides do not react with acids

• Metal oxides react with acids to form gas

• Metal oxides react with acids to form salt and water

• Metal oxides remain unchanged in acids