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Which type of compounds show high melting and boiling points:
(1) Electrovalent compounds
(2) Covalent compounds
(3) Coordinate compounds
(4) All the three types of compounds have equal melting and boiling points
Ans: Electrovalent compounds
Electrovalent compounds are: (1) Good conductor of electricity (2) Polar in nature (3) Low M.P. and low B.P. (4) Easily available Ans: Polar in nature
Q. Compare pot furnace and tank furnace used in manufacture of glass. Ans. S.NO. Pot furnace Tank furnace 1. Used f
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What is the Coordination number of FCC (CN): If we take the corner atom, the face centered atoms are the nearest neighbors. A corner atom has four face centered in its own pl
Charectaristic of covalent bond
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How are p-type and n-type semiconductor obtained? A P-type semiconductor is attained by carrying out a process of doping which is adding a certain type of atoms to the semicon
The uncertainty in the position of a moving bullet of mass 10 gm is 10 -5 m . Calculate the uncertainty in its velocity: (1) 5.2 x 10 -28 / sec (
Polyethylene: Polyethylene are formed by polymerization of ethylene under high pressure and at moderately high temperature. The resulting polymers are then subjected to substituti
Give ten Characteristics of convalent bonding
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