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Chernobyl disaster Trivia Questions

How much do you really know about Chernobyl disaster? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

Soviet authorities initially denied the disaster, but Swedish radiation detectors alerted the world within hours.

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Easy
✓ TRUE

Sweden’s Forsmark nuclear plant detected elevated radiation, and officials traced it to Chernobyl, forcing the USSR to publicly acknowledge the accident.

2.

The Chernobyl Exclusion Zone is now one of the most radioactive places on Earth, making it uninhabitable for 20,000 years.

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Medium
✗ FALSE

The zone is actually a thriving wildlife refuge; only the immediate reactor area remains highly hazardous for thousands of years, not the whole zone.

3.

A group of scientists known as 'liquidators' used robots to clear debris, but most failed due to high radiation.

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Medium
✓ TRUE

Soviet robots malfunctioned from radiation exposure, so people—called liquidators—worked in short, intense shifts to manually remove contaminated material.

4.

The Chernobyl reactor had no containment building, unlike most Western reactors of the time.

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Medium
✓ TRUE

The RBMK reactor design lacked a full containment structure, allowing radioactive debris to be ejected directly into the atmosphere during the explosion.

5.

The Chernobyl disaster was caused by a deliberate explosion, not a reactor meltdown.

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Medium
✗ FALSE

The disaster resulted from a power surge during a safety test, causing a steam explosion that ruptured the reactor core, not a planned detonation.

6.

Only 31 people died directly from the disaster, making it less deadly than many other industrial accidents.

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Hard
✗ FALSE

While official acute deaths are 31, thousands of cleanup workers and locals later died from radiation-induced cancers, with estimates exceeding 4,000.

7.

Three divers sacrificed themselves to drain water from under the reactor, preventing a second explosion.

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Hard
✓ TRUE

Three engineers volunteered to wade into flooded basements to open valves, averting a potential steam explosion that could have devastated Europe.

8.

The Chernobyl disaster caused a permanent ban on all nuclear power in the Soviet Union.

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Hard
✗ FALSE

Despite the catastrophe, the USSR continued building RBMK reactors, including the Kursk and Smolensk plants, until the dissolution of the Soviet Union.

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