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Q. Structure of Covalent Bonds? Ans. A covalent bond forms between elements that are near each other in the periodic table While an ionic bond involves an exchange of e
Q. Describe about groups or families in periodic table? Every element may be represented by a one or two letter symbol. In the middle of nineteenth century a Russian chemist Dm
How much NaCl is needed to prepare a 0.5 solution of 5 Ltires?
Why NH4Cl and NH4OH are added to the test solution?
CONVERT 28MG/LTR SODIUM HYDROXIDE INTO MILLI EQUVALENT
An open test tube at 293 K is filled at the bottom with 24.2 cm of Hg, and 11.2 cm of water is placed above the Hg. Calculate the pressure at the bottom of the test tube if the at
define explosive
what is chemical cobination
Physical chareterstics of carbonyl compounds Physical state: a. Methanal is a pungent smell gas. b. Ethanal is a volatile liquid and boiling points 294 K. c. Other ald
How does crystallography help in study of crystal structure
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