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Q.Illustrate the Basic structure of polymers? Ans. Polymers are large organic compounds made of regularly repeating units. Plastics are made of polymers. Polymers ar
Physical Properties of Oxalic Acid (a) Oxalic Acid is a colourless crystalline solid. It contains two molecules of water as water of crystallisation. (b) The hydrated form h
The ratio between kinetic energy and the total energy of the electrons of hydrogen atom according to Bohr's model is: (1) 2 : 1 (2)1 : 1 (3)1 : - 1 (4)
Element is strongly electropositive and Y is strongly electronegative. Both element are univalent, the compounds formed from their combination will be: (1) X + Y -
Q. The pressure in a liquid droplet of radius r is greater than the pressure of the surrounding equilibrated gas phase by a quantity 2 =r, where is the surface tension. (a) Cons
Iodoform or tri-iodomethane, CHI 3 Industrial preparation Iodoform is ready on large scale by electrolysis of a solution consisting of ethanol, potassium iodide and sodium
Solid Nacl is a bad conductor of electricity since: (1) In solid Nacl there are no ions (2) Nacl Solid is covalent (3) In solid Nacl there is no motion of ions
A lab report on the criteria for determining the purity of organic compounds
Explain heat of Combustion? Ans) The amount of heat liberated when single mole of any substance is completely burnt in oxygen is known as heat of combustion H is negative for he
Q. Explain about coordination compound? These compounds are usually formed by the donation of pair of electrons to the central metal ion by the group of ions or molecules. The
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