Atomic numbers of four elements are as follows : F(9), P(15), Cl(17), Ar(18). Which of the following two elements would be chemically similar?
View Answer Report Error Discuss
The phenomenon of change in direction of light when it passes from one medium to another is called
The process when the computer is switched on and the operating system gets loaded from hard disk to main memory is called
Which of the following is the cleanest source of energy?
The Great Smog of 1952 was a severe air-pollution event which affected _______.
Fruits and vegetables are good sources of
A person who writes music -
A composer is who writes music for a song whereas a lyricist is who writes lyrics (words) for a song.
______________ scheme launched by the Central Government to eliminate open defecation by constructing toilets for households, communities.