Which of the following is not an example of Allotrope?
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The most pure form of carbon among the options is
Which among the following is an example of solid sol?
Tooth decay starts when the pH of the mouth is lower than
Barium loses ____ electrons to achieve noble gas electron configuration.
Which of the following gases is not generated in a biogas plant?
Atomic number of which of the following elements is greater than that of Chlorine
Metals reacts with acids to give: