Webb2.2.2. Measure of pH. We used a solution of commercial vinegar and a solution of sodium bicarbonate. We measured the pH of solutions with red litmus paper and we obtained: pH = 3 (red) for commercial vinegar, pH = 12 (Blue) for sodium bicarbonate. We repeated the same operation, this time adding a few drops of our indicator, the onion juice. Webb22 mars 2024 · Chemical properties of a substance are indications of the chemical nature of the substance like reactivity towards acids and bases, combustibility, flammability, acidity, basicity. Chemical change alters the chemical composition of a substance. The original substance is destroyed. Consider the corrosion of iron.

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WebbCorrect option is A) Extensive properties are those which doesn't depend on the mass of the system. In the above given options, a, b, c, d, and f are independent of the mass of … Webb31 dec. 2024 · Rather than focusing on individual parts, extensive listening focuses on overall understanding. With extensive listening, you don’t have to translate each word or focus on grammar rules. Instead, you simply have to try to understand the audio as a whole. Because extensive listening focuses on overall understanding, extensive … inauguration of abraham lincoln date

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Webb19 juli 2014 · First, an extensive property is one that depends on the amount of material present. For example, mass is an extensive property because if you double the amount of material, the mass doubles. An … Webb10 maj 2024 · intensive Explanation: Intensive property of a substance which is not bothered by the quantity of substance taken into consideration where extensive property … WebbCorrect option is A) An intensive property is that , which doesn't depends on the size of system or amount of material inside the system .As entropy changes with the size of the … inauguration of abraham lincoln summary