In rice, maintenance of __ cm water depth is required in transplanting
In rice, 3-5 cm water depth should be maintained at transplanting to ease the process
Sodium Chloride is an example of
Potassium Permanganate is used for purifying drinking water, because it –
Protons were discovered by
Lexan is a man-made polymer used for making
Which of the following glass absorbs ultraviolet rays which are harmful for the eyes?
Manganite is an ore/mineral of
Which acid is majorly found in Orange?
The Polymer used for used for Electrical insulation buttons is
An atom has 7 electrons in its M-shell and contains 18 neutrons in its nucleus. What is its mass number?
The nucleus of an atom consists of-
