old-BREX-MODULAR-EXAMS.pdf - dichromate/Cr (VI) -...

MODULARS
MODULE 1
15. What is the oxidation number of Cr in K2Cr2O7?
1. Salzburg vitriol
A. H2SO4 C. CuSO4
B. FeSO4 – Green vitriol D. ZnSO4
16. He proposed the Quantum Mechanic Model and said that
the electrons move in 3D structure.
2. Which of the ff is used as a toothache drop?
17. This element renders the glass brown in color.
3. What is the common name for a dicarboxylic acid with 8
carbons?
4. Aldehydes and ketones react with Grignard reagent to
produce what?
5. Ibuprofen belongs to which class of NSAIDs?
A. Oxicams C. Indoles
B. Fenamates D. Proprionic acid
6. Which of the ff is not a component of an opium extract? 7. What alloy of elements compose Raney nickel? 8. Na 9. Nizoral ®
A. Clotrimazole C. Ketoconazole
B. Miconazole D. Cotrimoxazole
10. Which is used to disinfect drinking water? 11. It is a folic acid analog that inhibits the formation of
tetrahydrofolic acid from folic acid. 12. 5% iodine in water with KI.
13. 70% alcohol is used externally as a:
A. Refrigerant C. Astringent
B. Rubefacient D. All of the above
14. What is the element essential in the development of
erythrocyte and hemoglobin and deficient in a person suffering
from megaloblastic or pernicious anemia?
A. MnO2 B. Pb C. BO
3
-3 D. K