Which element is generally No Radioactive?
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Atomic number of which of the following elements is greater than that of Copper?
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?
Sour taste of lemon is due to the presence of which of the following ?
Manganite is an ore/mineral of
If we take a small amount of washing soda and add approximately 1 mL of dilute hydrochloric acid to it, what will we observe?
........... is not a sub atomic particle of an atom.
Chemical formula for sulphurous acid is:
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