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what is the chemical raction of a titration using sodium hydroxide and phenophthalein?
The four quantum number for the valence shell electron or last electron of sodium (Z = 11) is: (1) n =1, l= 1, m= -1, s= -1/2 (2) n =3, l=0, m=0, s= +1/2 (3) n =3,
conclusion for the project
Q.What do you mean by Electron Transfer and Ion Formation? Ans. Positive and negative ions do not form independently. The loss and gain of electrons means the electrons m
what are differences and similarities between covalent bond and electrovalent bond
Semisynthetic polymers These polymers are mainly derived from naturally taking place polymers by chemical changes. Since cellulose is naturally taking place polymers, cellulose
Q. Evaluate the gold number of A? The coagulation of 100 mL of colloidal sol. is completely prevented by adding 0.25g of a protective colloid 'A' to it before adding 1 mL of Na
working of electrolysis process? components of electrolysis process? advantages and disadvantages of electrolysis process?
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
ENTROPY Entropy is a thermodynamic property of a system. It is denoted as S and like as the enthalpy and internal energy, it is a state function. In thermodynamic expression, e
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