A radio-active substance has a half life of six months. Three-fourth of the substance will decay in ______.
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Which process forms exfoliation domes?
Chemical Formula of Water is _____ .
If the atomic number of Krypton is 36, then its electronic configuration is:
Which amongst the following is not a Cation?
The melting point of ice is ____ K.
Tooth decay starts when the pH of the mouth is lower than
Chemical name of vinegar is