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ECAT – Chemistry

11. Those substances which give hydroxyl ions in water are called
(A) Acid
(B) Base
(C) Salts
(D) Alkalies

12. Those substances which give hydrogen ions in water are called
(A) Base
(B) Salts
(C) Neutral
(D) Acid

13. KHSO4 is a ?
(A) Base
(B) Acid
(C) Neutral
(D) Salt

14. Neutral solution has pH value of
(A) 3
(B) 5
(C) 7
(D) 14

15. According to Bronsted, Acids are
(A) Proton accepter
(B) Electron donor
(C) Proton donor
(D) Electron accepter

Answers

11. Base
12. Acid
13. Acid
14. 7
15. Proton donor

16. NH3 is a/an
(A) Acid
(B) Base
(C) Salts
(D) Neutral

17. Salts are
(A) Acid
(B) Base
(C) Alkalies
(D) Neutral

18. Organic compounds are originated from ?
(A) Air
(B) Sun
(C) Rocks
(D) Living organisms

19. ___________are insoluble in water.
(A) Alkanes
(B) Sugars
(C) Salts
(D) Starch

20. Poly Hydroxyl compounds of Aldehyde and ketones are called ?
(A) Carbohydrates
(B) Protein
(C) Lipids
(D) Vitamin

Answers

16. Base
17. Neutral
18. Living organisms
19. Alkanes
20. Carbohydrates

More:  MCAT – Biology
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