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Chemistry |
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| 256)The dye FBA is used for dyeing | |||
| cotton | wool | ||
| nylon | terylene | ||
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| 257)Indigo is a | |||
| basic dye | acidic dye | ||
| ingrain dye | vat dye | ||
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| 258)Nitric acid (95%) can be obtained from its dilute solution by | |||
| distillation | dehydration with magnesium nitrate | ||
| evaporation | freezing out | ||
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| 259)The conversion of sulphur dioxide into sulphur trioxide in the contract process is | |||
| irreversible reaction | an endothermic reaction | ||
| an exothermic reaction | a reduction reaction | ||
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| 260)The synthetic drug is | |||
| aspirin | morphine | ||
| reserpine | digitalis | ||
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| 261)The drugs known as vasodilators are used to treat | |||
| hypertension | AIDS | ||
| cancer | ulcers | ||
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| 262)Heroin can be prepared by acetylation of | |||
| salicylic acid | quinine | ||
| reserpine | morphine | ||
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| 263)Salbutamol is a drug used for curing | |||
| cancer | migraine | ||
| diabetes | asthma | ||
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| 264)Ampicillin is used as an | |||
| anti-inflammatory agent | antibiotic | ||
| antimalarial | anti-cancer agent | ||
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| 265)The most important cardiac stimulant is | |||
| digoxin | paracetamol | ||
| penicillin | cimetidine | ||
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| 266)The most important fungicide against ptato blight is | |||
| thiram | captan | ||
| maneb | benomyl | ||
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| 267)An example of a natural fungicide is | |||
| folpet | carboxin | ||
| wyerone | furalaxyl | ||
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| 268)An example of plant growth regulator is | |||
| propachlor | amitsole | ||
| paraquant | indolylacetic acid | ||
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| 269)The earliest known pesticide is | |||
| nicotine | DDT | ||
| permethrin | zeatin | ||
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270)The other names of gammaxene are-
I. γ - BHC II. Lindane III. Aldrin |
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| I and II are correct | II and III are correct | ||
| I and III are correct | all of them are correct | ||
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