Difficult Questions: Science
Challenge rules: choose only one answer in each of the 20 questions. If you are sure about all your answers, tap See results at the bottom.
Replace the question mark with the word which should be the next. eastern, reality, titanic, ?
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What is obtained by mixing hydrochloric acid and nitric acids?
Find the intruder. 3861 8712 5247 4356 1485 3645.
Find the wrong word in a row: Cuba, Canada, Norway, Denmark, Germany.
What countries dominated proved gas reserves at the end of 2009?
Saudi Arabia, Russia, and Iraq
the USA, Russia, and Iran
Kuwait, Yemen, and the USA
Iran, Russia, and Qatar
Israel has the highest rate of IVF in the world, with more than ... procedures performed per million people per year
What is the name of the largest pink diamond in the world?
Heart of Eternity Diamond
Pink Panthera Diamond
Find the intruder: TALE, PROVERB, POEM, SAYING, BALLAD.
Potential for reproduction (influenced by gamete production, fertilization and carrying a pregnancy to term) is called ...
Choose the odd one: calypso, concerto, aria, shanty, madrigal
Find the wrong word in a row: Austria, Norway, Finland, Cyprus.
Who is considered to be a father of genetics?
When was the first pair of contact lenses successfully fitted?
Replace the question mark: 02, 51, Y, X, W, V, ?
Find the wrong word in a row: broke, rage, prose, feel, cute, dared, evil.
The water in which beetroot was boiled is an effective cure for . . .
What is the name of the smallest constellation in the night sky?
How far can a sneeze travel?
Choose the reversed figure depicted below that is the same as the first one.
Which cryogenic liquid is the coldest?