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To study the presence of Insecticides and Pesticides in Various Fruits and Vegetables?
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Is insecticides a real word?
Yes. It is the plural of insecticide, as in, "There are various insecticides from which to choose."
What are some consumer concerns about fruits and vegetables?
Various consumer and environmental groups claimed that too many pesticides, fungicides, and other chemicals were used on crops.
What are the various brands of insecticides that are available in the local market?
There are a vast number of insecticides available in liquid, spray, and granular form. Some of the leading brands are Orthene, Ortho, Bayer, and Spectrum.
How do you study the presence of insecticides and pesticides in fruits and vegetables?
Take different types of fruits and vegetables and cut them into small pieces separately. Transfer the cut pieces of various fruits and vegetables into mortal separately and crush them with the pestle. Take different kinds for each kind of fruits and vegetables and place the crushed fruits and vegetables in these beakers and add 100 ml of alcohol to each of these . Stir well and filter. Collect the filtrate in separate china dishes, Evaporate the alcohol by heating the china dishes one by one over a water bath and let the residue dry in the oven . Heat a small piece of sodium in a fusion tube , till it melts. Then add one of the above residues from the china dish to this fusion tube and heat it till red hot. Drop the hot fusion tube in a china dish containing about 10 ml of distilled water. Break the tube and boil the contents of the china dish for about 5 minutes . Cool and filter the solution. Collect the filtrate . To the filtrate add 1 ml of freshly prepared ferrous sulphate solution and warm the contents. Then add 2-3 drops of ferric chloride solution and acidify with dilute HCl. If a blue or green ppt. or colouration is obtained it indicates the presence of nitrogen containing insecticides. Repeat the test of nitrogen for residues obtained from other fruits and vegetables and record the observation.
Where do you get proteins from foods?
Proteins are in meat and various vegetables.
What things contain boron?
Boron is commonly found in minerals such as borax, kernite, and colemanite. It is also present in various fruits, nuts, and vegetables, as well as in some water sources. Boron compounds are used in a wide range of products including glass, ceramics, detergents, and insecticides.
What chemicals do we find in the local environments?
Various chemicals can be found in local environments depending on factors like industrial activities, agriculture, waste disposal, and natural geology. Common chemicals include heavy metals (such as lead, mercury), pesticides, fertilizers, oil and gasoline hydrocarbons, and industrial pollutants. Monitoring and regulation help to control the presence of these chemicals to protect environmental and human health.
How do pesticides get in our streams and rivers?
Farmers and gardeners spray pesticides on various plants, and when it rains, some of the pesticide washes off and is carried away by any run-off, which eventually drains into streams and rivers.
What is the percentage of water in various fruits and vegetables?
70-90%
What do they eat in Portugal every day?
Various meats, vegetables and grains.
Where can you see images of all the various vegetables?
For a large range of vegetables and each one's accompanying image, see the Related Link.
What is poisoned by eating pillbugs?
Like many home pests, they may have been in contact with various pesticides which can be toxic to humans.
