What is the possible weight of R?
Q > P (more than 50 kg) > S > R > T(40kg) > U From here R’s weight is between 40 and 50 kg and in option only 45 is between them so it is the correct answer.
The important ore of aluminium is-
The element used in the manufacture of safety matches is —
The important ore of aluminium is-
Which one amongst the following is not a Green House gas?
The major constituent of air is
The major component of honey is-
The element used for making solar cells is
The nucleus of an atom consists of-
The gas used for filling weather balloons is-
_________is the process in which acids and bases react to form salts and water.