__________gives hardness to stainless steel.
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The oceanic crust mainly consists of silica and __________.
....... is displaced when zinc is added to the solution of copper sulphate
The Chemical formula of Acetic acid is _____.
The strongest interactions between molecules of hydrogen chloride are
Name the acid present in lemon.
The maximum fixation of solar energy is done by
What is contained in Chlorophyll ?
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