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Ionic and covalent bonds are present in:
(1) CCl4
(2) CaCl2
(3) NH4 Cl
(4) H2O
Ans: NH4 Cl
Nucleophilic aromatic substitution reaction The product is formed by a nucleophilic aromatic substitution reaction in which chloride is displaced by hydroxide ion. The product
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Environmental pollution caused by oxides and oxyacids f nitrogen and sulphur
verify the law of multiple proportions for an element X, which forms oxides having percentages of X equal to 77.4%, 63.2%,69.6% and 72.0%
DISCOVERY OF SUB-ATOMIC PARTICLES The atomic theory of the Greek philosophers, Leucippus and Democretus (400 B.C.) held that continued subdivision of matter would ultimately yi
Explain experimental evidence to demonstrate the existence of ferromagnetic domains. Temperature increases, thermal motion, or entropy, competes with ferromagnetic tendency for
factors affecting TGA
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