Question
Who was the first astronaut to walk on the
moon?Solution
Neil Armstrong was the first astronaut to walk on the moon on July 20, 1969, during the Apollo 11 mission.
Which material is used as a moderator in a nuclear power plant that slows down the neutrons and makes them fit for causing fission?
Which of the following metals is the lightest in the periodic table of elements?
The green colour of the leaves is due to-
Which of the following gas is used to fill balloons.
Petroleum is a mixture of-
The first nuclear reactor made in India is named:
Which method is employed to separate minor quantities of multiple dissolved solids in a solution?
What is the chemical name of Baking Soda ?
Which of the following is considered an antiknock compound?
Which element is denoted by the atomic number 28?