Which of the following statements is true? A. People need a large amount of zinc to be healthy. B. Zinc must be used in the course of medical operation. C. Zinc allows important chemical actions to take place in cells. D. Scientists added only zinc to the foods that the laboratory ...
It is widely used for the purpose of the killing rodents. Also, it is used for fireworks.Answer and Explanation: Given: Percentage of calcium= 66.00% Percentage of phosphorus= 34.00% Calculations: Let us assume the total mass of the sample is 10...
The chemical that releases H+ when dissolved in water is an acid. Acids can be defined in three ways. An Ahhrenius acid and a Bronsted-Lowry acid...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
Potassium nitrate, also known as KNO3, is a well-known oxidizing agent. It is commonly used in the production of explosives and fireworks due to its ability to release oxygen when heated, which helps in the combustion of other materials. Step 3: Understand the Chemical CompositionPotassium ...
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(One) chemical synthesis.Gathers the aniline chemical synthesis is causes the aniline monomer oxypolymerization in the acidic medium with the oxidant.The chemical process can prepare the mass to gather the aniline sample, also is the most commonly used one kind of preparation gathers the aniline me...
India: Shaving graces ; In India, hair is big business: from the glossy locks offered to the gods which end up as the finest Western wigs, to barber shop sweepings used in the chemical business. Photographs by Adrian Fisk. Words by Peter... Those with nothing else, sell what God has ...
taking up chemical elements from the air. By looking at elements in the rings from a certain years, scientists can tell what elements were in the air that year. Dr. Stevenson is analyzing one element, carbon-d, in ring from both living and dead tree. Some ring go back almost ten thousa...
First drones and then fog … weird fog … fog that leaves a whitish residue on surfaces and has a strange chemical smell or taste to it. Apparently, thisfogis prevalent in areas where there was drone activity – not just here in the United States but world wide and people everywhere are...
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