Answer:
All of the above.
Explanation:
Gold is yellowish it is soft and malleable and also very dense.
When an acid is dissolved in water, by releasing protons into the solution, it lowers the pH.
What is pH?
The letters pH stand for the potential of hydrogen since pH is essentially a measurement of the number of hydrogen ions (i.e. protons) in a substance. The pH scale was created in 1923 by scientist Peter Lauritz Srensen. (1868-1969).
The pH of a solution is a key marker of its chemical makeup. The pH can have an impact on the biological processes that take place, the behavior of bacteria, and the behavior of chemicals.
To learn more click the given link.
brainly.com/question/22390063
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As far as I know, may be wrong :When pressure is multiplied by a number, the gas volume also gets multiplied by the same number. So, the answer can be found by doing: (3.4/1.97)(12), and the answer is about 20.71.
Answer
Noble Gases
Explanation: It is noble gases On the Website Ptable it will show you all the facts you need to know about each element
Answer:
Straight-run gasoline. Fractional distillation of crude oil yields a product boiling between 30°C and about 200°C, known as straight-run gasoline (or sometimes as “naphtha”).
