If an atom has atomic number 10 and mass number 23, then what will be the number of protons and neutrons in an atom respectively?
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Haemoglobin has the highest affinity with which of the following?
Atomic number of which of the following elements is greater than that of Fluorine?
A change in which no new substances are formed is called _____________.
When iron is exposed to moist air, a reddish brown coating of hydrated Iron (III) Oxide (Fe2O3) is deposited on its surface. This reddish brown coating is called
Oxygen molecule is ______.
Pentlandite is an ore/mineral of _______.
Electrons can be deflected by which of the following?
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