The most pure form of carbon among the options is
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The melting point of ice is ____ K.
Chemical Formula of Water is _____ .
Tooth decay starts when the pH of the mouth is lower than
Chemical name of vinegar is
In Mendeleev's periodic table, the properties of the elements are considered a periodic function of their:
Which of the following molecules is joined by a double covalent bond?
Which of the following can be beaten and converted into thin sheets?
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