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have a survival bucket ready in case you have to evacuate or are trapped. power cuts are often after big ones. Just know where to go during one, under the doorframe, next to your bed or couch, under a table, wherever you feel safest and that's really all you can do

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What is a earthquack?

An earthquake is when two of the earths' plates shift to release tension between the two.


Why sodium thiosulphate solution is prepared in freshly boiled and cooled water?

Sodium thiosulfate solution is prepared in freshly boiled and cooled water to remove any dissolved gases or impurities that could interfere with its chemical reactions. Using boiled water helps ensure a clean solution for accurate results when used in reactions, such as in titrations or photochemical processes.


How is iodine solution prepared?

Iodine solution is typically prepared by dissolving iodine crystals in a mixture of potassium iodide and distilled water. The potassium iodide acts as a stabilizer for the iodine. The final concentration of iodine in the solution can vary depending on its intended use.


How is chlorine gas commercially prepared?

Chlorine gas is commercially prepared by the electrolysis of brine (sodium chloride solution) in a process known as the chlor-alkali process. This method involves passing an electric current through brine to produce chlorine gas, sodium hydroxide, and hydrogen gas. The chlorine gas is then collected and used in various industrial applications, such as water treatment and chemical manufacturing.


Why alkaline picrate should be freshly prepared?

Many of the picrates are explosive and dangerous to store; fresh preparation limits the time that this is a risk. They also can react with their container or decompose so freshly prepared solutions will be more reliable for some processes like the Jaffe reaction to test for creatinine where the exact concentration is important in order to properly calibrate the results of the test.