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Q. Describe about states of matter?
Under usual conditions matter exists in three different physical forms called the states of matter-solid or liquid or gas. Solid matter has a specific shape and a definite volume. A solid is inflexible and incompressible so it keeps a certain shape and cannot be squeezed into a smaller volume. A solid has these properties for the reason that the particles that make up the solid are packed closely together and are held in a specific arrangement.
State the term - Ferrites Ferrites are used as ferromagnetic materials for high frequency applications like TV tubes, memory devices, high-speed switches, microwave application
Q. Describe about Coordination compounds? The complexes show a wide variety of physical and chemical properties which are quite different from normal salts. These differences
Which of the following compounds are covalent: (1) H 2 (2) CaO (3) KCL
what is the structure and the medicinal uses of BHC,DDT, saccharin, chloramine, antracene.
The number of electrons in the valence shell of calcium is: (1) 6 (2) 8 (3) 2 (4)4 Ans: 2
Did Nitrogen undergoes Friedel-Crafts reaction?
i) Electrophillic substitution in case of aromatic amines takes place more readily than benzene. ii) Nitro compounds have higher boiling points than hydrocarbons having almost s
The molar concentration of an HCl solution is 12.4 mol/L. How many moles of Hcl is in 1.50 L of HCl solution
Homolysis bond fission or Homolytic (i) In homolysis bond, the covalent bond is broken in such a way that every resulting species gets its own electron. This is apt to the crea
factors affecting TLC in points
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