Oxygen molecule is ______.
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Atomic number of which of the following elements is greater than that of Fluorine?
What is the reaction between an acid and a base called?
Terylene is a condensation polymer of ethylene glycol and which acid?
A change in which no new substances are formed is called _____________.
The most abundant element in the earth's atmosphere is
Carnotite is an ore/mineral of _____.
Nitrification is the biological process of converting
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