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Q. Define Elements and Compounds?
Pure substances are categorized into two categories that are elements and compounds. An element is a substance that can't be separated into simpler substances. Carbon, Oxygen, sulphur, aluminium, iron, and gold are elements. Above 110 elements are known but only 91 take place naturally on Earth. The residue have been created by scientists.
Q. Detect the presence of synthetic food colours in the given samples? Objectives After conducting this activity, you will be able to: • describe the kind of natural
The type of orbitals present in Fe is : (1) s (2) s and p (3) s, p and d ()s, p, d, and f Ans: s, p and d
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Onion and Garlic Onions (A. cepa), and garlic (A. sativam), have been used in traditional and folk medicine for over 4000 years. Disorders for which both garlic and onions ha
The Crystal Field Theory experiment shows the effects on metal d orbital energies of moving a set of negative point charges close to a metal ion. As one would expect, the energies
Which compound is highest covalent: (1) LiCl (2) FiF (3) LiBr (4) LiI Ans: LiI
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