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Q. Describe Electrochemistry Electricity (i.e., electric current) is a flow of electric charges. In metals, it is the flow of electrons. In electrolytes, it is the mov
Q. What is Alloys? Metals have a property of combining with other metals to form alloys. An alloy may be defined as a solid which is formed by a combination of two or more met
Six protons are found in the nucleus of : (1) Boron (2) Lithium (3) Carbon (4 )Helium Ans: Carbon
Calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamica
if the bond length in chlorine molecule is 1.98 angstrom and bond length in H-CL molecule is 1.76 angstrom calculate the covalent radius of hydrogen
Uses of Acid Amides (a) Acid Amides used in organic synthesis. The compounds like methyl cyanide, Methylamine and ethylamine can be prepared. (b) Acid Amides used in leathe
Q. Name the three ways in which consumer testing can be done? The three ways by which consumer testing can be done are: inhouse laboratory testing, home testing and institution
variation of cnductivigy with temperature
Chemical Properties of Ethers Ethers are fairly stable compounds. These are not simply reacted along with alkalies, dilute mineral acids, active metals, oxidising agents within
The positive charge of an atom is: (1) Spread all over the atom (2) Distributed around the nucleus (3)Concentrated at the nucleus (4) All of these Ans: Concentr
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