Title: General Science Quiz for Sarkari Naukri Exams (Set-1)
Q1. Which gas is known as “Laughing Gas”?
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(a) Nitrogen
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(b) Nitrous Oxide
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(c) Carbon Dioxide
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(d) Oxygen
Answer: (b) Nitrous Oxide
Explanation: N₂O is called laughing gas. It is used as an anesthetic in minor surgeries and dental procedures.
Q2. What is the SI unit of Force?
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(a) Pascal
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(b) Joule
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(c) Newton
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(d) Watt
Answer: (c) Newton
Explanation: The SI unit of force is Newton (N). One Newton = force required to accelerate a 1 kg mass by 1 m/s².
Q3. The “Red Planet” refers to?
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(a) Venus
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(b) Mars
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(c) Jupiter
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(d) Saturn
Answer: (b) Mars
Explanation: Mars is called the Red Planet due to the presence of iron oxide (rust) on its surface.
👉 Daily quiz practice improves accuracy and speed — key for clearing exams like SSC CGL, Railway, Banking, and UPSC.
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