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Now answer the following question:1. Explain compound and a mixture with a suitable example.2. Differentiate between a compound and a mixture. 3. Classify the following into compounds and mixtures. Also identify pure substance from the give list and write them separately. Water, Soil, Sugar, Salt, Sugar solution, Air, Milk, Carbon dioxide, Hydrochloric acid, Brick |
| Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>Answer (1). </p><p>Mixture :– A mixture is a material made up of two or more different substances which are physically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids.</p><p>Eg. :- </p><p>(i). Smoke and fog (<a href="https://interviewquestions.tuteehub.com/tag/smog-646363" style="font-weight:bold;" target="_blank" title="Click to know more about SMOG">SMOG</a>)</p><p>(<a href="https://interviewquestions.tuteehub.com/tag/ii-1036832" style="font-weight:bold;" target="_blank" title="Click to know more about II">II</a>). Dirt and water (Mud)</p><p>(iii). Sand, water and gravel (<a href="https://interviewquestions.tuteehub.com/tag/cement-414637" style="font-weight:bold;" target="_blank" title="Click to know more about CEMENT">CEMENT</a>)</p><p>(iv). Water and salt (Sea water)</p><p>(v). Potassium nitrate, sulfur, and carbon</p><p> (Gunpowder)</p><p>(vi).Oxygen and water (Sea foam)</p><p>(vii). Petroleum, hydrocarbons, and fuel additives (Gasoline)</p><p></p><p>Compound :– A compound is a <a href="https://interviewquestions.tuteehub.com/tag/substance-1231528" style="font-weight:bold;" target="_blank" title="Click to know more about SUBSTANCE">SUBSTANCE</a> formed when two or more elements are chemically joined. Water, salt, and sugar are examples of compounds. When the elements are joined, the atoms lose their individual properties and have different properties from the elements they are composed of.</p><p>Eg. :-</p><p>(i). C2H6O: Alcohol. NaCl: Salt. C2H6O: Ethanol. C2H4O2: Vinegar. NH3: Ammonia. C2H4O2: Acetic Acid. C4H10: Butane.</p><p>(ii). H2SO4 : Sulfuric Acid. CH4: Methane.</p><p>(iii). C12H22O11: Sucrose. C3H8: Propane.</p><p>(iv). NaHCO3: Baking Soda. N2O: Nitrogen. C6H8O7: Citric Acid. C8H18: Octane. C10H16O: Camphor.</p><p>____________________________</p><p></p><p>Answer (2).</p><p>Mixtures :– </p><p>(i). Mixtures are the impure substances, made up of two or more physically mixed substances. They can be homogeneous or heterogeneous by nature.</p><p>(ii). The substances which are found in the mixtures are not in fixed quantity, that means their ratio varies.</p><p>(iii). The properties of the mixtures also vary (not fixed) as it depends on the type of substances and the quantity by which these are being mixed.</p><p>(iv). The substances of the mixtures are easy to separate by different physical methods like filtration, chromatography, evaporation.</p><p>(v). Eg. :- Alloys like brass, bismuth, chromium, oceanic water (salt and water), mixtures of gases, etc.</p><p></p><p>Compounds :–</p><p>(i). Compounds are the pure form, made up of two or more chemically mixed elements. These are generally homogeneous.</p><p>(ii). But in the case of compounds, the elements are present in fixed quantity, that means their ratio is fixed.</p><p>(iii). For the particular type of compound, the properties are fixed and do not vary, as the elements present in the compounds are fixed and are in the fixed ratio.</p><p>(iv). The elements are not easy to separate and if done than it is by chemical methods.</p><p>(v). Eg. :- Compounds like Baking soda, Methane, Salt, etc.</p><p>____________________________</p><p></p><p>Answer (3). </p><p>Compounds Mixtures </p><p>(i). Water (i). Soil</p><p>(ii). Sugar (ii). Sugar Solution </p><p>(iii). Salt (iii). Air</p><p>(iv). Carbon dioxide (iv). Milk</p><p>(v). Hydrochloric Acid (v). Brick </p><p></p><p>All are the pure form of substances.</p></body></html> | |