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The Declaration by the United Nations contained the first official use of the term 'United Nations'. The name 'United Nations' was coined by United States President Franklin D. Roosevelt.
In the vulcanization process, natural rubber is heated with which element to enhance its properties?
Which gas turns into a liquid at the lowest temperature?
Which material is not classified as a metalloid?
Which of the following metal has the highest Melting point?
Based on the periodic trends for ionization energy, which element has the highest ionization energy?
What happens when camphor is heated?
Whitening of hair is caused by the deficiency of _________?
"Schist" is the example of which type of rock?
Iron, Nickel and Cobalt are the examples of
Identify the pairing that is not correctly matched.
(I) Dry ice - Solid form of carbon dioxide
(II) Fullerene - An allotrope of hydr...