Chemical formula of BHC, which is an insecticide is__________________?

Related Mcqs:

1. BHC (Benzene hexachloride) is made by the chlorination of benzene_____________________?

   A. Which is an addition reaction B. Which is a substitution reaction C. In absolute dark D. In presence of sunlight...

2. 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...

3. Which of the following is not an insecticide ?

   A. Hydrocyanic acid B. Nicotine C. Sodium fluoride D. Hexane...

4. Dichloro diphenyl ________________ is the full form of DDT (an insecticide) ?

   A. Tetrachloroethane B. Trichloroethane C. Tetrachloromethane D. Trichloromethane...

5. Chemical formula of oleum is_________________?

   A. H2SO3 B. H2SO4 C. H2S2O7 D. H2SO7...

6. Chemical formula of ‘salt cake’ is____________________?

   A. Na2SO4 B. CaSO4 C. MgSO4 D. BaSO4...

7. CaCl(OCl) is the chemical formula of___________________?

   A. Hypo B. Bleaching powder C. Plaster of Paris D. Aqua regia...

8. Chemical name of ‘alum’ is__________________?

   A. Barium sulphate B. Aluminium sulphate C. Aluminium chloride D. Calcium sulphate...

9. Chemical name of Grignard reagent is__________________?

   A. Sodium thiosulphate B. Ethyl magnesium chloride C. Sodium sulphite D. Sodium bicarbonate...

10. At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?

    A. Independent of B. Directly proportional to C. Inversely proportional to D. Proportional to the square of...