Class 12 Chemistry 2021 Overseas MCQs Test

1. Which of the following adhesives are also known as Bio adhesives?

2. Benzoic acid is obtained by the oxidation of:

3. Which of the techniques does NOT involve the absorption of radiations?

4. Williamson's synthesis of ethers is superior of Alcohols because it makes:

5. Which of the following Alkyl Halides cannot be formed by direct reaction of Alkanes with halogens?

6. The function group given below represents the family of organic compounds called:

7. The catalyst(s) used to oxidize SO₂ to SO₃ in the manufacturing of H₂SO₄ by contact process is/are:

8. In Wolff-Kishner reduction (Basic) conditions of Aldehydes and Ketones, the catalyst used is:

9. Ethanoic Acid reacts with SOCl₂ in presence of pyridine to give:

10. Complete the reaction:  3Ca + N₂ → ______

11. The carbonates of Alkali metals are NOT affected by heat except:

12. Which of the following elements has the maximum electron affinity?

13. The compounds which are used as alternatives to chlorofluorocarbons (CFCs) are:

14. The component of Blood that carries oxygen in the body is:

15. Reaction between caustic soda and fats is called:

16. IUPAC name of Succinic acid is:

17. The common reference standard taken in Nuclear magnetic resonance spectroscopy is: