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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.
Geometrical or cis-trans isomerism The compounds that have similar molecular formula but differ in the relative spatial arrangement of atoms or groups in space are termed a
what is banana bonding
Some enzymes require other associated molecules to work. These molecules are known as enzyme cofactors and they can be, for example, organic ions, like mineral salts, or organic mo
The Ca 2+ and Mg 2+ ions in hard water form scum with soap. Therefore they don''t form lather and therefore don''t clean the dirt.
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
why all scandium salt are white
GFAAS is often necessary to add modifiers in order to increase the sensitivity of the techniques.Giving example explain the principles used in the selection of such modifiers,be ca
Calculate the standard potentials of the Ag 5 and Ag 10 nanoclusters. Define the change in standard potential of silver nanoclusters with particle sizes ranging from very sma
What r the requirements for a good refractory material
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