Minerals and Their Uses in Industry

The video tutorial covers the role of various minerals such as copper, zinc, and iron in different applications. Copper is highlighted for its use in electrical appliances, while iron is noted for its importance in manufacturing and construction. Zinc is discussed as an essential trace element necessary for human health. The tutorial also touches on the use of minerals in fertilizers and their presence in food. The session concludes with a summary and a preview of the next class.

What metal is commonly used inside electrical wires?

• Zinc

• Iron

• Copper

• Aluminum

Which mineral is often used as a fertilizer?

• Potash

• Copper

• Zinc oxide

• Iron

Zinc is commonly found in which of the following foods?

• Fish

• Biscuit

• Milk

• Bread

Which mineral is crucial in the aircraft manufacturing industry?

• Aluminum

• Zinc

• Iron

• Copper

Copper is extensively used in which of the following devices?

• Paper clips

• Bicycles

• Televisions

• Furniture

Which mineral is used in both electrical appliances and mobile phones?

• Iron

• Copper

• Zinc

• Potassium

What is a primary use of iron in industries?

• Making jewelry

• Creating fertilizers

• Producing paper

• Building ships

Why is zinc considered an essential trace element?

• It is only found in plants

• It is not required for human health

• It is needed in small amounts for health

• It is stored in large amounts in the body

Which of the following is NOT a common use of iron?

• Engines

• Vehicles

• Televisions

• Railway tracks

What is a common food source of zinc?

• Red meat

• Vegetables

• Fruits

• Dairy