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- Functional group contained in compound CH3-CH2-C-O-CH3 || O A. Amine B. Ester c. Amide d. Thiol e. Carboxylic acidLemon essential oil can be: Choose one answer. a. added to your drink of water b. used as a food flavoring c. used on your skin without a carrier oil d. used on a newborn babyAspirin was first synthesized near the end of the 19th century. Chemists in which country first synthesized aspirin? O a. England O b. France O c. United States d. Germany
- Which of the following can hydrogen bond with water? A. all of the above B. Carbon dioxide C. Methane D. Acetic acid19. An ionic reaction leads to formation of: A. cations and anions. B, amino acids and fatty acids. C. glycogen from glucose. D. carbohydrates phatesWhat is the by-product in the preparation of Aspirin from salicylic acid? A. methyl salicylate B. Salicylic acid C. acetic anhydride D. methanol E. sulfuric acid OF. NaOH G. acetic acid OH. water
- What interactions occur between the following molecules and ions? a. water and ammonia b. lactate and ammonia ion c. benzene and octane d. carbon tetrachloride and chloroform e. chloroform and diethyl etherWhich of the following pure substances will have hydrogen bonds ? a. acetone --à b. dimethy ether CH3-O-CH3 c. methanol H3C-OH d. acetone and methanol e. dimethy ether and methanol14. What is the name of the following molecule? HO. a. butanoic acid b. 1-hydroxypentanal c. 1-hydroxypentanone d. pentanoic acid
- Precipitated sulfur preparation is used as a a. scabicide b. fungicide c. keratolytic d. antihelmintic e. Cathartic O a.b.c.d only a, b, d, e only ab.c.e only all of the above O b, c, d, e onlyWhat is natural gas? a. a gas that forms from decaying vegetation b. a mixture of hydrocarbon gases, mostly methane c. a gas that forms naturally from coal d. naturally occurring hydrogenMatch the following molecules with the name of their functional group. A. Amine B. Amide C. Alcohol D.Ether E. Aldehyde F. Ketone G.Carboxcylic acid E.Ester Thanks.