Topic Details (Notes format)

Which city was known as Tsaritsyn, then Stalingrad, and now has another name in Russia?

Who discovered the ABO blood group system?

Who discovered the Indus Valley civilization?

Which metal is most commonly used for making computer microprocessors?

Who discovered quantum mechanics principles?

Which element has the chemical symbol "Cd"?

Which Indian city is called the "City of Joy"?

The Great Wall of China was primarily built to protect against which group?

In which Chinese philosophy does the concept of ‘yin and yang’ originate?

Which city in Russia was formerly known as Leningrad?