Q. What is the main use of aluminum in construction? (2020)
-
A.
Electrical wiring
-
B.
Structural components
-
C.
Piping
-
D.
Insulation
Solution
Aluminum is widely used in construction for structural components due to its strength-to-weight ratio.
Correct Answer:
B
— Structural components
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Q. What is the primary characteristic of metals? (2019)
-
A.
Brittleness
-
B.
Luster
-
C.
Dullness
-
D.
Insulation
Solution
Metals are known for their luster, which is the shiny appearance they exhibit when polished.
Correct Answer:
B
— Luster
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Q. What is the primary characteristic of non-metals?
-
A.
Good conductors of heat
-
B.
High density
-
C.
Brittleness
-
D.
Luster
Solution
Non-metals are generally brittle in solid form and do not exhibit metallic luster.
Correct Answer:
C
— Brittleness
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Q. What is the primary characteristic that distinguishes metals from non-metals? (2019)
-
A.
Luster
-
B.
Brittleness
-
C.
Conductivity
-
D.
Density
Solution
Metals are generally good conductors of heat and electricity, while non-metals are poor conductors.
Correct Answer:
C
— Conductivity
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Q. What is the primary use of aluminum in construction?
-
A.
Electrical wiring
-
B.
Structural components
-
C.
Piping
-
D.
Insulation
Solution
Aluminum is widely used in structural components due to its strength-to-weight ratio.
Correct Answer:
B
— Structural components
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Q. Which metal is commonly used in batteries?
-
A.
Lead
-
B.
Copper
-
C.
Iron
-
D.
Aluminum
Solution
Lead is commonly used in lead-acid batteries due to its ability to store electrical energy.
Correct Answer:
A
— Lead
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Q. Which metal is commonly used in the production of alloys? (2021)
-
A.
Lead
-
B.
Tin
-
C.
Mercury
-
D.
Bismuth
Solution
Tin is commonly used in the production of alloys, such as bronze and solder.
Correct Answer:
B
— Tin
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Q. Which metal is commonly used in the production of batteries? (2023)
-
A.
Lead
-
B.
Zinc
-
C.
Copper
-
D.
Iron
Solution
Lead is commonly used in lead-acid batteries due to its ability to store electrical energy.
Correct Answer:
A
— Lead
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Q. Which metal is commonly used in the production of stainless steel? (2023)
-
A.
Iron
-
B.
Lead
-
C.
Copper
-
D.
Zinc
Solution
Iron is the primary metal used in the production of stainless steel, often alloyed with chromium and nickel.
Correct Answer:
A
— Iron
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Q. Which metal is known for its high resistance to corrosion?
-
A.
Iron
-
B.
Copper
-
C.
Aluminum
-
D.
Titanium
Solution
Titanium is known for its high resistance to corrosion, making it suitable for various applications.
Correct Answer:
D
— Titanium
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Q. Which metal is known for its resistance to corrosion?
-
A.
Iron
-
B.
Copper
-
C.
Aluminum
-
D.
Gold
Solution
Gold is highly resistant to corrosion and tarnishing, making it valuable for jewelry and electronics.
Correct Answer:
D
— Gold
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Q. Which metal is primarily used in the construction of aircraft due to its strength-to-weight ratio?
-
A.
Titanium
-
B.
Aluminum
-
C.
Steel
-
D.
Copper
Solution
Aluminum is primarily used in aircraft construction because of its favorable strength-to-weight ratio.
Correct Answer:
B
— Aluminum
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Q. Which metal is primarily used in the production of stainless steel?
-
A.
Iron
-
B.
Nickel
-
C.
Chromium
-
D.
Zinc
Solution
Chromium is added to iron to produce stainless steel, enhancing its corrosion resistance.
Correct Answer:
C
— Chromium
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Q. Which metal is used in the production of stainless steel?
-
A.
Nickel
-
B.
Zinc
-
C.
Tin
-
D.
Lead
Solution
Nickel is used in the production of stainless steel to enhance its corrosion resistance.
Correct Answer:
A
— Nickel
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Q. Which non-metal is a diatomic molecule at room temperature?
-
A.
Oxygen
-
B.
Nitrogen
-
C.
Hydrogen
-
D.
All of the above
Solution
Oxygen, Nitrogen, and Hydrogen are all diatomic molecules at room temperature.
Correct Answer:
D
— All of the above
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Q. Which non-metal is commonly used in fertilizers?
-
A.
Phosphorus
-
B.
Sulfur
-
C.
Chlorine
-
D.
Argon
Solution
Phosphorus is a key component in fertilizers, promoting plant growth.
Correct Answer:
A
— Phosphorus
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Q. Which non-metal is essential for respiration in living organisms? (2020)
-
A.
Oxygen
-
B.
Nitrogen
-
C.
Carbon
-
D.
Hydrogen
Solution
Oxygen is essential for respiration as it is used by organisms to convert food into energy.
Correct Answer:
A
— Oxygen
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Q. Which non-metal is essential for the process of photosynthesis?
-
A.
Oxygen
-
B.
Carbon
-
C.
Nitrogen
-
D.
Hydrogen
Solution
Carbon is essential for photosynthesis as plants convert carbon dioxide into glucose.
Correct Answer:
B
— Carbon
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Q. Which non-metal is used in the production of fertilizers? (2022)
-
A.
Nitrogen
-
B.
Oxygen
-
C.
Helium
-
D.
Argon
Solution
Nitrogen is a key component in fertilizers, essential for plant growth.
Correct Answer:
A
— Nitrogen
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Q. Which of the following is a characteristic of alkali metals? (2023)
-
A.
High density
-
B.
Softness
-
C.
High melting points
-
D.
Non-reactive
Solution
Alkali metals are known for their softness and can be cut with a knife.
Correct Answer:
B
— Softness
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Q. Which of the following is a characteristic of noble metals? (2019)
-
A.
Highly reactive
-
B.
Corrosion resistant
-
C.
Low melting points
-
D.
Brittle
Solution
Noble metals, such as gold and platinum, are known for their resistance to corrosion and oxidation.
Correct Answer:
B
— Corrosion resistant
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Q. Which of the following is a property of non-metals?
-
A.
Good conductors of heat
-
B.
Malleable
-
C.
Brittle
-
D.
Ductile
Solution
Non-metals are generally brittle in solid form and do not exhibit malleability or ductility.
Correct Answer:
C
— Brittle
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Q. Which of the following metals is known for its resistance to corrosion? (2019)
-
A.
Iron
-
B.
Copper
-
C.
Aluminum
-
D.
Gold
Solution
Gold is highly resistant to corrosion, which is why it is often used in jewelry and electronics.
Correct Answer:
D
— Gold
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Q. Which of the following metals is known to be the least reactive?
-
A.
Gold
-
B.
Sodium
-
C.
Potassium
-
D.
Calcium
Solution
Gold is known to be the least reactive metal, making it resistant to corrosion and oxidation.
Correct Answer:
A
— Gold
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Q. Which of the following metals is known to be the most malleable?
-
A.
Iron
-
B.
Gold
-
C.
Lead
-
D.
Copper
Solution
Gold is known to be the most malleable metal, capable of being drawn into extremely thin sheets.
Correct Answer:
B
— Gold
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Q. Which of the following metals is known to react vigorously with water? (2022)
-
A.
Iron
-
B.
Sodium
-
C.
Copper
-
D.
Lead
Solution
Sodium reacts vigorously with water to produce sodium hydroxide and hydrogen gas.
Correct Answer:
B
— Sodium
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Q. Which of the following metals is known to react with water at room temperature? (2019)
-
A.
Iron
-
B.
Sodium
-
C.
Copper
-
D.
Gold
Solution
Sodium reacts vigorously with water at room temperature, producing sodium hydroxide and hydrogen gas.
Correct Answer:
B
— Sodium
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Q. Which of the following metals is liquid at room temperature? (2023)
-
A.
Mercury
-
B.
Lead
-
C.
Tin
-
D.
Bismuth
Solution
Mercury is the only metal that is liquid at room temperature.
Correct Answer:
A
— Mercury
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Q. Which of the following metals is most reactive? (2019)
-
A.
Gold
-
B.
Silver
-
C.
Sodium
-
D.
Copper
Solution
Sodium is a highly reactive metal, especially with water, compared to the other metals listed.
Correct Answer:
C
— Sodium
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Q. Which of the following metals is the best conductor of electricity?
-
A.
Copper
-
B.
Aluminum
-
C.
Gold
-
D.
Silver
Solution
Silver is the best conductor of electricity among metals due to its high electron mobility.
Correct Answer:
D
— Silver
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