ISSB Initial Tests (Academic Test) FLP 1 Free Quiz

1. The mass of 10 moles of water is:

A. 180 g B. 18 g C. 1.8 kg D. 1800 g

2. The cooling of gas upon expansion through a porous plug is:

A. Effusion B. Diffusion C. Brownian motion D. Joule-Thomson effect

3. The kinetic energy of gas depends on:

A. Absolute temperature B. Pressure C. Volume D. Density

4. The ratio of most probable speed to rms speed is:

A. 1 B. 0.816 C. 0.921 D. 1.225

5. Normal boiling point corresponds to vapor pressure equal to:

A. 1 atm B. 2 atm C. 0.5 atm D. 10 atm

6. The SI unit of viscosity is:

A. N/m² B. Pa·s C. J/m² D. kg/m³

7. Schottky defect involves:

A. Cation vacancy only B. Interstitial atom C. Anion vacancy only D. Pair of cation and anion vacancies

8. Frenkel defect is commonly found in:

A. NaCl B. AgCl C. CsCl D. KCl

9. Miller indices denote:

A. Atomic positions B. Unit cell dimensions C. Crystal density D. Orientation of crystal planes

10. If Q = Kc, the system is:

A. Forward direction B. Reverse direction C. At equilibrium D. Cannot be determined

11. Ni-Cd battery uses:

A. Pb and PbO₂ B. Zn and Cu C. NiOOH and Cd D. Li and CoO₂

12. General valence configuration of halogens is:

A. ns² np⁵ B. ns² np⁶ C. ns² np⁴ D. ns² np³

13. Weak field ligands cause:

A. Large splitting, low-spin B. Large splitting, high-spin C. Small splitting, low-spin D. Small splitting, high-spin

14. Net dipole moment is:

A. Vector sum of bond dipoles B. Scalar sum C. Product of bond dipoles D. Ratio of bond dipoles

15. Order of reactivity of alkyl halides:

A. RF > RCl > RBr > RI B. RI > RBr > RCl > RF C. RCl > RBr > RI > RF D. RI > RBr > RCl > RF

16. Sₙ2 is favored by:

A. Tertiary alkyl halides B. Secondary alkyl halides C. All alkyl halides D. Primary alkyl halides

17. Saponification gives:

A. Carboxylic acid + alcohol B. Sodium carboxylate + alcohol C. Carboxylate salt + water D. Sodium carboxylate + alcohol

18. Steroids have a:

A. Amino acids B. Carbohydrates C. Steroids (four-ring structure) D. Nucleotides

19. Reforming in petroleum industry:

A. Improves octane number B. Improves diesel yield C. Produces lubricants D. Removes sulfur

20. 2,4-DNP gives a precipitate with:

A. Tollens' test B. Fehling's test C. Iodoform test D. 2,4-DNP test