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Give one significant use of each of the following:
(i) Bithional
(ii) Chloramphenicol
(iii) Streptomycin
(iv) Paracetamol
The high melting point and insolubility in organic solvents of sulphanilic acid are due to its ...... structure: (1) Simple ionic (2) Bipolar
The hydride ions H- are isoelectronic with: (1) Li (2) He + (3) He (4) Be Ans: He
Principal functional group-Polyfunctional Organic Compounds If the organic compound includes two or more functional groups, one of the functional sets is chosen as the princ
classification of mixture according to particle size, uniform mixture, composed of solute and solvent
Q. Illustrate the Physical properties of Ammonia? Ans. Ammonia is a colorless gas that has a strong penetrating odor. It boils at -33 o C and is easily liquefied by press
Most polar solvents have Lewis base or donor properties resulting from lone-pair electrons. Good donor solvents inbuilt water, pyridine and ammonia, and are efficient at solvating
why we consider carbon as standared for atomic mass unit
abnormal molecule mass
A sub-shell l= 2 can take how many electrons: (1) 3 (2) 10 (3) 5 (4) 6 Ans: 10
Why bromoethane are insoluble Because only two layers form, two of the three substances are mutually soluble. we know that water and bromoethane are insoluble-they form two lay
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