Alkali metals can
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An unbalanced chemical equation is called a
The biogas used for cooking is a mixture of which of the following ?
The polar ice-caps are made of ____________ water
The process of depositing a layer of any desired metal on another material by means of electricity is called ___________.
If the atomic number of Krypton is 36, then its electronic configuration is:
Which of the following inert gases is placed in period 4 of the periodic table?
By using which foam the Researchers from Indian Institute of Technology – Bombay have made a low cost piezo resistive vibration sensor?