DDT stands for___________________?

Related Mcqs:

Low temperature carbonisation of coal takes place at _______________ °C ?

A. 300 B. 1100 C. 700 D. 900...

Which of the following impurities in feed water for high pressure boiler is the most detrimental ?

A. Silica B. Dissolved oxygen C. Suspended salt D. Dissolved salt...

Linde process of gas liquefaction employs__________________?

A. Exchange of heat with colder stream B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion) C. Adiabatic expansion against a piston or in a turbine D. Merely compressing the gas beyond its critical pressure...

____________ are used as corrosion inhibitor for iron & steel in aqueous solutions ?

A. Phosphates B. Chromates C. Sulphates D. Bi-carbonates...

______________ is obtained as a by-product in the manufacture of sodium hydroxide using brine ?

A. Chlorine B. Ammonium chloride C. Sodium carbonate D. Sodium bi-carbonate...