| 191. | In those alcohol tragedies which result in blindness etc., the harmful substance is – |
A. ethyl alcohol | |
B. methyl alcohol | |
C. Emil alcohol | |
D. benzyl alcohol |
| 192. | What is denatured spirit mainly used for? |
A. as a good fuel | |
B. as medicine | |
C. as a varnish | |
D. as a raw material for making oil |
| 193. | Power alcohol is |
A. potable ethyl alcohol | |
B. pure ethyl alcohol | |
C. ethyl alcohol used as a fuel | |
D. pure ethyl alcohol |
| 194. | Tincture iodine is – |
A. aqueous solution of iodine | |
B. solution of iodine with acetylene | |
C. solution of iodine with benzene | |
D. alcoholic solution of iodine |
| 195. | Denatured alcohol is |
A. a form of alcohol | |
B. Not fit to drink as it contains toxic substances | |
C. These are colored impurities | |
D. tastes sweet |
| 196. | Modified spirit is |
A. methylated spirits | |
B. tincture iodine | |
C. 95% ethyl alcohol | |
D. 100% ethyl alcohol |
| 197. | Pure alcohol is |
A. 90% ethyl alcohol | |
B. 95% ethyl alcohol | |
C. 98% ethyl alcohol | |
D. 100% ethyl alcohol |
| 198. | The paste applied on the face after shaving gives coolness to the face, this is due to the presence of which compound in this paste? |
A. ethyl alcohol | |
B. methyl alcohol | |
C. salicylic acid | |
D. none of these |
| 199. | what kind of reaction is fermentation |
A. heat sink | |
B. exothermic | |
C. reversible | |
D. none of these |
| 200. | what is the end product of alcoholic fermentation |
A. pyruvic acid | |
B. acetaldehyde | |
C. ethyl alcohol | |
D. formic acid |