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.Management Sciences
A. NaOH
B. H2SO4
C. Hydrazine
D. Alum solution
Related Mcqs:
- Widely used method for the conditioning of boiler feed water is the ___________________?
- A. Cold lime process B. Coagulation C. Hot-lime soda process D. Sequestration...
- Fatty material used in soap making is _______________________?
- A. Fatty acid B. Fatty alcohols C. Tallow D. Detergents...
- Air used in aerobic fermentation must be sterilized, otherwise the ___________________?
- A. Recovery of product will be difficult B. Contamination of pure culture would result C. Uniformity of product cannot be achieved D. None of these...
- Permanent hardness of water can be removed by_________________?
- A. Addition of soda ash to it B. Treating it with zeolites C. Passing it through sodium hexametaphosphate D. All A , B, and C....
- Hydrazine is used in water treatment for the removal of___________________?
- A. Colloidal impurities B. Dissolved oxygen C. Turbidity D. Chlorinous taste...
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