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Select all that are true or correct regarding a buffer: alternately donating and accepting ions a set of chemicals that work together to resist pH change often a weak acid or base and a salt increases OH- ions or H+ ions as needed cannot neutralize an infinite number of ions can neutralize acid rain because water is buffered.
Air pollution is complex in origin and varied in effect. It is very crucial from the point of human health. Every human being inhales about 15-22 kg of air daily and air is pollute
The water on earth surface constitutes hydrosphere. About 75% of earth surface is covered with water and 97% of that water is present in oceans, which is very salty. We are only
Besides being fundamental for the activation of the main gastric digestive enzyme how does HCl also directly participate in digestion? With its corrosive effect, HCl also helps
A) General Characteristics 1) It should be a well-ripened natural product. 2) It should be clear and visually transparent. 3) It should be extracted with the help of a
Q. Do the phosphate and the pentose groups give heterogeneity or homogeneity to the nucleic acid chains? What about the nitrogen- containing groups? Supported by that, which of tho
Embryo - Pollen Biology The suspensor cells of young embryos of Tropaeolum majus show that the activity of acid phosphatase increases from micropylar to chalazal pole. The con
Which of the following is TRUE about the properties of aqueous solutions? Select one: a. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration (
What is gastrulation? How during gastrulation are the first two germ layers formed? What are these germ layers? Gastrulation is the process by which a portion of the blastula w
in sericulture industry do which stages of silkworm weaver buy? why do they do so?
Explain the Complications of Burns? Most minor burns are superficial and do not cause complications. However, deep second-degree and third-degree burns swell and take more time
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