Activated Charcoal is used to remove colouring matter from pure substances by_______
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Which among the following compounds has the strongest hydrogen bond?
A radio-active substance has a half life of six months. Three-fourth of the substance will decay in ______.
Which molecule is used up in photosynthesis?
The first step in photosynthesis is to split the water molecule using sun light.
Chemical Formula of Water is _____ .
In hydrolysis reactions compounds react with
The melting point of ice is ____ K.
In Mendeleev's periodic table, the properties of the elements are considered a periodic function of their:
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