The state of matter can be changed into another state by changing the
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An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is
Identify a use of the isotope of uranium.
Saffron is produced in a large scale in
Which of the following is NOT a characteristic of dicotyledons plants?
Which institution in India acts as 'lender of the last resort'?
The Dr. B. C. Roy awards, instituted in 1962, are given to eminent achievers primarily from which field?
In a concave mirror when the object is placed at infinity which of the following applies to the image?