What is the other name for rayon?
Which metal is the primary ore in monazite?
Who is known as the father of Geometry?
What is the ratio of width to length of the Indian National Flag?
Which branch of science studies cells?
Which oil is used in the froth flotation process?
Who was the 12th President of India?
Charles Correa is known for his contributions to which field?
What is the property of a substance to absorb moisture from the air on exposure known as?
What does the intensity of sound depend on?