What is the password to the Slytherin house common room in COS?
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Mudblood
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Pure Blood
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Expecto Patronum
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Muggle hater
B
Correct answer
Explanation
The password to the Slytherin common room in Chamber of Secrets is 'Pure-Blood' (sometimes written as two words). This reflects Slytherin's ideology of blood purity and discrimination against Muggle-borns. It's not Mudblood (a slur), Expecto Patronum (a spell), or Muggle hater.