1. Which compound is used as fertilizer and animal’s food?
(A) Biuret
(B) Phosphate Fertilizer
(C) KAN
(D) Methane Diamide
2. One of them is mixed anhydride:
(A) Prop ionic Anhydride
(B) Acetic Anhydride
(C) Formic Anhydride
(D) Formic Acetic Anhydride
3. Which Compound are organic but not acid derivatives:
(A) Ester
(B) Acid Cyanide
(C) Ether
(D) Anhydride
4. One of them is synthetic flavor:
(A) Poly vinyl Ester
(B) Methyl Acetate
(C) Poly vinyl acetate
(D) Methyl Butyrate
5. Those Compounds are obtained from acids are known as:
(A) Acid Derivatives
(B) Acid Halide
(C) Acid Amide
(D) Acid Anhydride
6. Acid Amide is prepared by:
(A) Heating of sodium cyanide
(B) Ammonium Acetate
(C) Heating of Ethyl Acetate
(D) Sodium Acetate
7. How much radicals of ozone molecules are destroyed by single chloride free radical?
(A) 1000
(B) 10000
(C) 100000
(D) 50000
8. Give the reverse reaction of esterification:
(A) Hydroysis
(B) Hydrolysis
(C) Decarboxylation
(D) Carboxylation
9. One of them has pleasant flavor:
(A) Ester
(B) Amide
(C) Anhydride
(D) Aldehyde
10. The melting point of crystalline urea is?
(A) 135°C
(B) 100°C
(C) 140°C
(D) 180°C