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what can be understood from the law of multiple proportions?
The energy of an electron in the first Bohr orbit of H atom is-13.6eV . The possible energy value(s) of the excited state(s) for electrons in Bohr orbits to hydrogen is(are):
The configuration 1s 2 2s 2 2p 5 3s 1 shows: (1) Excited state of O 2 - (2) Excited state of neon (3) Excited state of fluorine (4) Ground state of fluorine ato
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State the term- solubility Solid solutions are made of a host, the solvent or matrix) which dissolves the solute (minor component). The ability to dissolve is known as solubili
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
Which of the following statements is not true for ionic compoundss: (1) High melting point (2) Least lattice energy (3)Least solubility in organic compounds (4) Solubl
Q. Name of the reagent required for determination of hardness of water sample of complex metric method. Briefly give the function of each reagent used. Ans. Reagents requir
Co-ordination covalent bond is produced by the mutual sharing of pair of electrons among two atoms contributed by only one of the combining atoms.
Gold has a molar mass of 197g/mol. How many atoms are in the sample?Please give me procedure also. Ans) molecular wieght of gold is 197 g 1mole/g of molecule is occupies the
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