The Chemical formula of Ammonium nitrate is ___________.
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The Chemical formula of Methanol is _____.
What are Aldehydes ?
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?
The common name of lead (II) sulphide is
Atomic number of an atom gives the number of which of the following ?
Which element is generally No Radioactive?
By which of the following processes are metals of high reactivity extracted from purified molten ore?
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