| 71. | Urotropin is |
A. hexamethylene diamine | |
B. hexamethylene triamine | |
C. hexamethylene tetramine | |
D. hexamethylene pentaamine |
| 72. | Aldol condensation cannot occur between |
A. two different aldehydes | |
B. an aldehyde and an ester | |
C. two different ketones | |
D. an aldehyde and a ketone |
| 73. | Pyrolignaceous acid is a component of |
A. acetic acid | |
B. methyl alcohol | |
C. acetone | |
D. all of these |
| 74. | Pyrolignaceous acid obtained from wood contains |
A. 10% ethanol | |
B. 10% Formaldehyde | |
C. 10% acetic acid | |
D. 10% formic acid |
| 75. | Which of the following process is adopted in the production of biodiesel? |
A. transanimation | |
B. transcription | |
C. transesterification | |
D. translate |
| 76. | By whom is formic acid produced? |
A. Termite | |
B. cockroach | |
C. red ant | |
D. Machhad |
| 77. | On the bite of an ant or a bee, the following liquid is found in its sting – |
A. formic acid | |
B. Menthanal | |
C. glacial acetic acid | |
D. oxalic acid |
| 78. | Which of the following acid is present in vinegar |
A. hydrochloric acid | |
B. citric acid | |
C. citric acid | |
D. acetic acid |
| 79. | Sheera is the best raw material – |
A. for acetic acid | |
B. for glycerin | |
C. for power alcohol | |
D. for urea |
| 80. | found in tomato sauce |
A. citric acid | |
B. oxalic acid | |
C. lactic acid | |
D. acetic acid |