- 1. Metals are naturally occurring elements that have high luster, good conductivity, and malleability. They are essential materials in various industries, such as construction, manufacturing, and electronics. Metals are typically solid at room temperature and have a wide range of uses due to their unique properties. Common metals include iron, aluminum, copper, and gold, each with specific characteristics that make them valuable in different applications. The study of metals, known as metallurgy, has been crucial to human civilization for centuries, shaping the way we live and work.
Which metal is the best conductor of electricity?
A) Copper
B) Gold
C) Silver
D) Aluminum
- 2. Which metal is liquid at room temperature?
A) Mercury
B) Lead
C) Zinc
D) Iron
- 3. What is the most abundant metal in the Earth's crust?
A) Silver
B) Iron
C) Copper
D) Aluminum
- 4. What metal is added to iron to make stainless steel?
A) Nickel
B) Chromium
C) Zinc
D) Aluminum
- 5. Which metal is primarily used for electrical wiring?
A) Copper
B) Silver
C) Aluminum
D) Gold
- 6. What metal is an essential component of steel and is found in hemoglobin?
A) Gold
B) Aluminum
C) Copper
D) Iron
- 7. Which metal is known for being highly ductile and malleable?
A) Titanium
B) Gold
C) Nickel
D) Zinc
- 8. What metal is used in galvanizing to prevent corrosion of iron and steel?
A) Zinc
B) Aluminum
C) Silver
D) Copper
- 9. Which metal is used in the production of computer chips due to its excellent conductivity?
A) Gold
B) Silicon
C) Aluminum
D) Iron
- 10. Which metal is used in the production of dental fillings because of its strength and durability?
A) Amalgam
B) Silver
C) Copper
D) Titanium
- 11. What metal is used in light bulbs to make filaments due to its high melting point?
A) Silver
B) Gold
C) Tungsten
D) Copper
- 12. What metal is used in dental braces for its strength and corrosion resistance?
A) Iron
B) Copper
C) Silver
D) Titanium
- 13. What metal is commonly used to make musical instruments due to its acoustic properties?
A) Steel
B) Copper
C) Titanium
D) Brass
- 14. Which metal is most commonly used in car manufacturing?
A) Aluminum
B) Titanium
C) Copper
D) Steel
- 15. Which metal is used as a catalyst in converters to reduce vehicle emissions?
A) Gold
B) Iron
C) Platinum
D) Copper
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