A. Hydrocyanic acid
B. Nicotine
C. Sodium fluoride
D. Hexane
Related Mcqs:
- Chemical formula of BHC, which is an insecticide is__________________?
A. C6H6Cl6
B. C6Cl6
C. C6H5Cl
D. C6H4Cl2 - Hydrocyanic acid (HCN) is used as an insecticide for____________________?
A. Controlling timber degradation by ants
B. Controlling poultry lice
C. Potato beetle
D. Citrus fruits - Dichloro diphenyl ________________ is the full form of DDT (an insecticide) ?
A. Tetrachloroethane
B. Trichloroethane
C. Tetrachloromethane
D. Trichloromethane - Which of the following is not a product of coal tar distillation ?
A. Anthracene
B. Creosote oil
C. Carbolic oil
D. None of these - Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?
A. Depithing
B. Digestion
C. Bleaching
D. None of these - Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?
A. Oxidation of Na+ ions
B. Oxidation of Cl- ions
C. Reduction of Na+ ions
D. Reduction of Cl- ions - Pick out the endothermic reaction out of the following ?
A. C+ ½O2 = CO
B. CO + 3H2 = CH4 + H2O
C. CaCO3 = CaO + CO2
D. CO + ½O2 = CO2 - Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda ?
A. High cost of mercury
B. High specific gravity of mercury
C. Non-availability of high purity mercury
D. Pollution of water stream by mercury - Which one of the following is not likely to be a constituent of vegetable oils ?
A. Citric acid
B. Oleic acid
C. Stearic acid
D. Glycerol - Which of the following is a constituent of vinegar ?
A. Around 10% alcohol
B. Around 1% acetic acid
C. Both A. and B.
D. Neither A. nor B.
