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Venkataraghavan Subha Srinivasan is the author of the book "The Origin Story of India's States," which explores the history and development of India's states and union territories.
Sylvine is a mineral ore of which element?
Which of the following is NOT classified as a Noble gas?
Which element is denoted by the atomic number 28?
Aqua regia, which can dissolve gold, is a freshly prepared mixture of concentrated hydrochloric acid and concentrated ______.
An element has an atomic number of 17 and a mass number of 36. How many neutrons are in its nucleus?
The green colour of the leaves is due to-
Ultra-purification of metals is achieved using:
______ is defined as the number of moles of solute per litre of solution.
Which of the following metal have the highest Melting point?
What is the chemical formula of Urea, the best nitrogenous fertilizer?