What is the full form of PVC?
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Which of the following elements has a total of 3 shells with 8 electrons in the last orbit?
The number of neutrons present in a nitrogen atom is ___.
Atomic mass of Sulphur is 32 u. The number of moles in 16 grams of Sulphur is:
Atomic numbers of four elements are as follows : F(9), P(15), Cl(17), Ar(18). Which of the following two elements would be chemically similar?
What is C12H22O11 also known as
How many atoms will one mole of Carbon (C-12) contain?
Which of the following scientists gave the law that governs the force of attraction/repulsion between two charged particles?
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