1. Fat-soluble vitamin is
Answer: Vitamin A
2. The hormone that increases blood glucose level is
Answer: Glucagon
3. In the reaction 2KClO₃ → 2KCl + 3O₂, the catalyst used is
Answer: MnO₂
4. In Ni(CO)₄ and Fe(CO)₅, the oxidation state of nickel and iron is
Answer: 0
5. [PtCl₄]²⁻ is
Answer: Square planar
6. The paramagnetic octahedral complex molecule is:
Answer: [CoF₆]³⁻
7. Vitamin B₁₂, cyanocobalamin, a compound that acts against pernicious anemia, contains:
Answer: Cobalt
8. When a nitrogen-containing organic compound is heated with copper oxide in an atmosphere of carbon dioxide, free nitrogen is obtained along with carbon dioxide and water. This method is:
Answer: Dumas method
9. The two isotopes of boron are:
Answer: ¹⁰B and ¹¹B
10. Diborane is prepared by treating boron trifluoride with:
Answer: LiBH₄
11. Gives a crimson red color in an oxidizing flame.
Answer: Li
12. Produces edible fats by hydrogenation of vegetable oils using a catalyst.
Answer: Nickel
13. Producer gas is a mixture of:
Answer: CO and H₂
14. The dipole moment of BF₃ is:
Answer: Zero
15. The temperature at which a real gas obeys the ideal gas law over a suitable range of pressures is called the ___ temperature.
Answer: Critical
16. The mathematical statement of the First Law of Thermodynamics is:
Answer: ΔU = q ± w
17. An example of an extensive property is:
Answer: Volume
18. Known as Hinsberg’s reagent is:
Answer: Benzenesulfonyl Chloride
19. All naturally occurring α-amino acids, except ___, are optically active.
Answer: Glycine
20. An example of a fibrous protein is:
Answer: Keratin