Feels slippery would be the correct answer
Answer: Crystallization is a technique which chemists use to purify solid compounds. Crystals often form in nature when liquids cool and start to harden. Certain molecules in the liquid gather together as they attempt to become stable. They do this in a uniform and repeating pattern that forms the crystal. The process is based on the principles of solubility: compounds (solutes) tend to be more soluble in hot liquids (solvents) than they are in cold liquids. If a saturated hot solution is allowed to <u>cool</u>, the solute is no longer soluble in the solvent and forms crystals of pure compound. Impurities are excluded from the growing crystals and the pure solid crystals can be separated from the dissolved impurities by filtration.
For an example the salt we get from seawater can have many impurities in it. Hence, the process of crystallization is in use to remove these impurities.
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Answer:
See the answer below
Explanation:
A microscope is a laboratory tool that is used to <u>magnify the image of objects</u> This allowed scientists to <u>study tiny organisms that cannot be seen with an ordinary eye</u>. We cannot see some organisms using our naked eyes, such as <u>bacteria,</u> protists, <u>viruses,</u> and <u>microscopic fungi.</u> The main parts of a microscope that magnifies are the <u>ocular</u> and the <u>objective lenses</u>. the <u>lamp </u>serves as the light source. In order to see the specimen clearly the stage needs to be adjusted at the right distance from the lens. this is done using the <u>coarse</u> and <u>the fine adjustment knobs</u>. other parts of the microscope such as the <u>base</u> and <u>the arm</u> serve as primary support for the device.
The microscope is primarily designed to magnify the image of objects and, thus, enables one to see objects that cannot ordinarily be seen with the naked eyes. It magnifies objects using a system of lenses in the ocular and the eyepiece. Microscopic organisms such as protists, bacteria, viruses, microscopic fungi and algae can be seen using the microscope. Slides of objects are prepared and placed on the stage of the microscope and the coarse/fine adjustment knobs used to adjust the stage in order to bring the image on the slide into focus through the ocular. A lamp at the base provides the light source for the light microscope while other parts such as the arm, the head, and the base provide supportive functions for the microscope,
There are several process in the nature, which keeps water cycling between them. By Precipitation, Earth's sphere gets water which we use in several ways, and by evaporation & sublimation, it goes back to upper spheres of the Earth's atmosphere and cycle happens again & again.
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<u>Answer:</u> The net ionic equation is written below.
<u>Explanation:</u>
Net ionic equation of any reaction does not include any spectator ions.
Spectator ions are defined as the ions which does not get involved in a chemical equation. They are found on both the sides of the chemical reaction when it is present in ionic form.
The chemical equation for the reaction of ammonium carbonate and lead (II) nitrate is given as:
Ionic form of the above equation follows:
As, ammonium and nitrate ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.
The net ionic equation for the above reaction follows:
Hence, the net ionic equation is written above.