Who among the following is credited with the discovery of X-rays?
Wilhelm Roentgen, a German physicist, discovered X-rays in 1895. This groundbreaking discovery has since revolutionized the fields of medicine and imaging, enabling the non-invasive observation of internal bodily structures.
Which one of the following is not a greenhouse gas?
Chemical name of bleaching powder is
A powerful eye irritant present in smog is
Find the odd one:
Which one of the following is known as the brown coal?
Which one of the following is an example of a gel?
Urea is a —
The electronic configuration of an atom having atomic number 20 is
Which of the following is an iron ore ?
The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called:
