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Waxes - Carboxylic acids Waxes are the esters of higher fatty acids along with higher monohydric alcohols. The acids and alcohols generally found in waxes are palmitic, cerotic
Molten sodium chloride conducts electricity due to the presence of: (1) Free electrons (2) Free ions (3) Free molecules (4) Atoms of sodium and chlorine Ans: Free
Alicyclic compounds - Homocyclic or Carbocyclic These are the compounds that consist of rings of three or more carbon atoms. These resemble along with aliphatic compounds than
The structure of external most shell of inert gases is; (1) s 2 p 3 (2) s 2 p 6 (3) s 1 p 2 (4) d 10
Sharp line source: When the bandwidth of the primary radiation is low with respect to the profile of the analyte absorption, the given amount of analyte would absorb more radi
Energy of electron of hydrogen atom in second Bohr orbit is: (1)-5.44x10 -19 j (2)- 5.44x10 -19 kj (3)-5.44x10 -19 cal
A 64-g sample of germanium-66 is left undisturbed for 12.5 hours. At the end of that period, only 2.0 g remain. What is the half-life of this material? 4. With a half-life of 28.8
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What is the effect of more electronegative atom on the strength of ionic bond: (1) Decreases (2) Increase (3) Decreases slowly (4) Remains the same Ans: Increase
The only nonradioactive isotope of fluorine has 9 protons and 10 neutrons. a. What is its mass number. b. Write the full symbol of this atom.
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