Correct answer
A. Both A. and B.
Explanation
The correct answer is Both A. and B..
Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth?
Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about________?
In ________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed?
Black liquor is converted into white liquor by ________?
Measurement of sub-zero Celsius temperature in industry is done most commonly by ________?
Joule-Thomson co-efficient is the ratio of________?