the most destructive phase of bacterial leaf blight disease of rice is known as
The correct answer is A
Which of the following is used to increase the antiknocking property of petrol?
The electronic configuration of an atom having atomic number 20 is
In addition to hydrogen the other abundant element present on Sunsurface is
Find the odd one:
Natural rubber is the polymer of:
Identify the metal which is nontoxic in nature.
The total energy of revolving electron in an atom
The element used for making solar cells is
Spirit in contact with body gives cool sensation because it is:
When water itself combines chemically with some element or mineral it is called