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  4. Which of the following pairs are bacteriostatic antibiotics?

Q. Which of the following pairs are bacteriostatic antibiotics?

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Solution:

Correct answer is (b) Erythromycin chloramphenicolCorrect answer is (d) Tetracycline, chloramphenicol

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4. Which of the following is not a chromophore ?

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5. The correct match between items of List - I and List - II is :
List - I List - II
(A) Phenelzine (P) Pyrimidine
(B) Chloroxylenol (Q) Furan
(C) Uracil (R) Hydrazine
(D) Ranitidine (S) Phenol

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3. At standard conditions, if the change in the enthalpy for the following reaction is Given that bond energy of and is and , respectively, what is the bond energy (in of ?

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5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol]

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6. Given below are half cell reactions:




Will the permanganate ion, liberate from water in the presence of an acid ?

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8. Following limiting molar conductivities are given as



for will be-

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9. One atom of an element weighs . Its atomic mass is

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10. In the following reaction,
A,
the number of sigma(s) bonds present in the product A is :-

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