La importancia y usos del hierro: desde la antigüedad hasta la actualidad

La importancia y usos del hierro: desde la antigüedad hasta la actualidad

Assessment

Interactive Video

Chemistry, Science, Physics

10th Grade - University

Hard

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Iron is a versatile element known for its role in steel production, historical significance, and nutritional value. It is the most common element on Earth by mass and forms the planet's core. Historically, iron has been used since the Middle Bronze Age, leading to the Iron Age. Cast iron, an alloy with carbon, was first produced in China. Steel, another iron alloy, is widely used due to its strength and cost-effectiveness. Iron is essential for construction, tools, and vehicles. Nutritionally, iron is crucial for producing hemoglobin, with sources including meat and leafy greens.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical symbol for iron, and what is its atomic number?

I, 53

In, 49

Ir, 77

Fe, 26

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of cast iron?

High melting point

Good fluidity and resistance to wear

Pure iron composition

Used primarily for jewelry

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common use of steel due to its properties?

Jewelry making

Building construction

Food preservation

Textile manufacturing

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can steel be made more resistant to corrosion?

By adding copper

By adding silicon

By adding chromium

By adding carbon

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential health issue caused by a lack of iron in the diet?

Osteoporosis

Anemia

Hypertension

Diabetes