Enviro Chem Mid Unit Quiz Flashcards
The nitrogen In the air Hass to be released in a form that can be combined with other compounds
the release of nitrogen from nitrogen gas is called
Nitrogen fix station and involves bacteria
Which essential gas found in the air it was it did it by sector a
Nitrogen
The gas and oil industry is often concerned with having too contain the problem of “sour gas”
Many industries now convert the sour gas into secondary products such as
Sulfur
Sour gas is
Ammonia
Nitrogen compounds are converted by the bodies of living things into useful forms called
Proteins
Farmers know that nitrogen is extremely important in good crop production
they will often plant crops such as …….. and ………. to replace the used up nitrogen
Clover
Alfalfa
Which does not form useful nitrogen
Formed by the process of photosynthesis
Certain bacteria have the ability to convert nitrogen into other forms the term associated with this process is
Fixation
The population of Puritan Falcons has declined because of the use of DDT this chemical was frequently used in 1970s to control harmful
Insects
Over the past 15 years a farmer kept careful crop production records he noticed that the crop yield increased when he used an insecticide for controlling the grasshopper problem but only for the first 10 years the insect decide did not seem to work after that the most problem reason that the farmer needed to use a higher concentration of insecticide after the ten-year period is that the insects
That survive the previous applications pastor resistance to the concentration on to their offspring
A gardener requiring a bag of fertilizer was puzzled by the number that appeared on the label
Fast grow
8-51-16-8
He asked the sales clerk abt the high second # on the label. The clerk replied that the 51 represented the percentage of ………… in the composition
Phosphorus
Kim pulled out a single aflalfa plant from a nearby field
She noticed that tiny nodules on the roots on the roots and was told by the farmer that the function of these nodules was to
Fix the free nitrogen used into forms
Oh crap of potatoes can quickly be destroyed by the larval stage of potato burrito farmers often protector crops from the beetle by spraying with
Insecticide
Phosphorus is a nutrient contained fertilizer which number on the fertilizer rainbow in phosphorus contact
Second
Your next door neighbour added a nitrogen rich fertilizer to make a thick dark green lawn
Which bag did your neighbour use
34-0-0
