A standard test for determination of hardness in water is termed as ______________ test?

Related Mcqs:

Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of_________________?

A. Ozone and iodine B. Chlorine or its compounds C. Ultraviolet light for irradiation of water D. All A., B. & C....

Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters ?

A. I-131 B. Sr-90 C. Au-198 D. Ra-226...

TLV of ozone (O3) and phosgene (COCl2) in air is _______________ ppm?

A. 0.1 B. 25 C. 100 D. 1000...

Exposure to SO2 containing chimney gases results in the__________________?

A. Reduction in strength of leather & cloth B. Acceleration of corrosion rates of metals C. Increased drying & hardening time of paints D. All A., B. and C....

Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes________________?

A. Blood poisoning B. Anaemia C. Nervous system disorder D. All A., B. and C....