GOV EXAM ADDA

1. Ethanol containing 5% water is known as

A. Power alcohol

B. Dilute alcohol

C. Rectified spirit

D. Absolute alcohol

Answer & Solution

2. Production of alcohol from organic compounds by micro-organism is known as

A. Combustion

B. Fermentation

C. Anaerobic respiration

D. Aerobic respiration

Answer & Solution

3. What is Beeyer’s reagent?

A. Hydrogen peroxide

B. Alkaline Potassium permanganate

C. Bromine water

D. Acidic Potassium Permanganate

Answer & Solution

4. What are Aldehydes?

A. Strong reducing agents

B. Mild reducing agents

C. Mild oxidising agents

D. Strong oxidizing agents

Answer & Solution

5. Which of the following gas is used for the artificial ripening of Fruits?

Answer & Solution

6. The correct order of increasing basic strength in aqueous solutions is

A. CH3NH2 < NH3 <(CH3)2NH

B. (CH3)2NH < NH3

C. NH3 < CH3NH2 < (CH3)2NH

D. CH3NH2 < (CH3)NH < NH3

Answer & Solution

19. The pair of compounds used as anaesthetic in medicine is

A. Chloroform and Nitrogen Dioxide

B. Nitrous oxide , Chloroform

C. Ether and Ammonia

D. Nitrogen Dioxide and Ether

Answer & Solution

20. Which one of the following reacts with Fehling’s solution?

Answer & Solution

1. Ethanol containing 5% water is known as

2. Production of alcohol from organic compounds by micro-organism is known as

3. What is Beeyer’s reagent?

4. What are Aldehydes?

5. Which of the following gas is used for the artificial ripening of Fruits?

6. The correct order of increasing basic strength in aqueous solutions is

7. Which of thye following known as ‘Marsh gas’?

8. During fermentation of sugar, the compound which is always formed is

9. Aluminium carbide(Al4C3) on hydrolysis gives

10. The temperature of oxy-acetylene flame is around

11. Chemical name of Gammahexane is

12. Which organism is responsible for alcohol fermentation?

13. Bagasse is used in the manufacturing of

14. The gas that usually cause explosion in coal mines is

15. Which one of the following is the constituent of teargas?

16. The most extensive use of molasses after fermentation is to produce

17. Which one of the following is a Heterocyclic compound?

18. Which of the following is used as test for aliphatic primary amines?

19. The pair of compounds used as anaesthetic in medicine is

20. Which one of the following reacts with Fehling’s solution?