0
Why is the second crop of crystals in recrystallization less pure than the first?
Wiki User
∙ 13y ago
Successive amounts of crystals obtained in the second crop are often less pure than the first crop since concentrating the filtrate solution will make some impurities to precipitate with the desired product.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
What are the methods of inducing crystal formation?
The first thing is by "scratching" or rubbing the flask with a glass rod or metal spatula. A second tactic is the use of seed crystals. Taking just a few crystals from the previous crop and putting them in your solution will promote the growth of more crystals. Often, it is enough to just stir the solution with a spatula that has touched some of the desired crystals.
The yield of the land refers to which of the following?
The amount of crop output from a given area of planted land ion…
Why do you use fertilizer?
fertilizer enchances your crop
Chemicals used to increase crop growth?
fertilizer
What chemicals that kill crop-destroying organisms?
pesticides
What are the methods of crystal formation from solution?
The first thing is by "scratching" or rubbing the flask with a glass rod or metal spatula. A second tactic is the use of seed crystals. Taking just a few crystals from the previous crop and putting them in your solution will promote the growth of more crystals. Often, it is enough to just stir the solution with a spatula that has touched some of the desired crystals.
What did they do at the first harvest?
At the first harvest, they pick whatever fruits or vegetables are at the appropriate point of ripeness. It depends on the crop. With a crop like hay, when the hay is at the appropriate height, they run the machine through it, cut it, and bale it. With cotton, they pick the bowls when they at a little over 2 inches. Then the second crop grows. With peaches, they pick the first crop so the second can grow.
What are the methods of inducing crystal formation?
The first thing is by "scratching" or rubbing the flask with a glass rod or metal spatula. A second tactic is the use of seed crystals. Taking just a few crystals from the previous crop and putting them in your solution will promote the growth of more crystals. Often, it is enough to just stir the solution with a spatula that has touched some of the desired crystals.
What crop did most settlers in north Carolina earn a living from?
North Carolinians cash crop was tobacco, it was the leading cash crop. Ranked by acres planted, soybeans are first and corn is the second leading crop. Cotton was the state's leading crop until the early 1950s.
What is the second largest cash crop in America?
Soybeans are the second largest crop in cash sales in the United States, and the largest value crop export.
What is the most popular crop in Texas?
Cotton comes in first, though wheat is a close second.
What is the term given to the second crop of hay harvested in one season?
The second cut, or cutting. In New England, the second crop is called a rowen.
What is second crop of a growing season called?
An aftermath is the term used for new grass growing after the mowing.
What was the very first crop in California?
The first crop in California was corn.
What happen if the kaingin is not burned after the harvest of the first crop?
If the kaingin is not burned after the harvest of the first crop, then the soil is not ready for the second season of planting. Kaingin depletes the soil of nutrients and fields can often only grow kaingin for a few seasons in a row.
What is a crop or produce with as i the second letter?
Rice
What India's second major crop?
Wheat.
