solution. Air is an example of a gaseous solution. When dry is made up of oxygen gas dissolved in nitrogen gas. b. Liquid Solution- contain a liquid solvent in which gas‚ liquid‚ or solid is dissolved. Water is the most common liquid solution. Many things can be dissolved in it. Table salt is an example of a solid dissolved in a liquid. A liquid and a gas can also be dissolved in a liquid solution. c. Solid Solution- is a mixture of solids spread equally throughout one another. Metal is an example
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Matter In Our Sourroundings Important Questions Not for coping to note Q. 1. What is a matter? Answer : Anything that occupies space and has mass is called a matter. For example:- Chalk‚ Milk‚ Sugar etc. Q. 2. Sodium chloride and sugar have same appearance. Are they same or different? Answer : They have different physical and chemical properties. So‚ they are different. Q. 3. All substances around us are alike. How? Answer : All substances can occupy space and have weight.
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DESIGN LAB Factors Affecting the Solubility of a Solid in a Liquid In this experiment‚ my goal is to determine the affect of temperature in the solubility of a solid in a liquid. Research Question: How does the change in the temperature affects the solubility of a solid in a liquid? Independent variables: Temperature of the Solution Dependent variables: The solubility of the solid substance Controlled Variables: * The pressure of the room. * The mass of zinc chloride
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purify all types of liquids from impurities. Filtered oil is considered to be completely pure and fresh and good for health benefits. After the filtration process of oil is done‚ refining it is not compulsory. All kinds of oil seeds do not require refining and are known for their edible properties. However‚ oil that is extracted from cotton seeds require refining or neutralizing. In order to filter the extracted oil from impurities‚ a special type of equipment is used.The liquid that has to be
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Matter‚ Solutions‚ and Phase Changes Unit 1. What is matter? Anything that takes up space (volume) and has mass 2. Explain how to classify matter. (Homogeneous‚ Heterogeneous‚ Mixture‚ Pure Substance)? HOMOGENEOUS Matter that is made up of the same or alike particles Can’t see what makes it up Looks uniform HETEROGENEOUS Matter that is made up of different types of particles Can see what makes it up Mixture A material made up of two or more substances that can be easily separated
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Detailed Lesson Plan in Science IV (Soil Erosion) I. Learning Objectives a. Identify the agents of soil erosion. b. Explain how each agents cause erosion. c. Perform related activities enhancing knowledge about soil erosion. d. Enumerate ways and means on how to help prevent soil erosion. II. Subject Matter a. Topic: Soil Erosion b. References: c. Concepts: Soil Erosion and its Effects d. Sciences Processes: Observation‚ Experimenting‚ Analysing e. Materials: 2 large
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counter-currently reacting with Na2SO3 rich feed. Introduction Absorbers are vertical towers used in distillation‚ gas absorption and liquid-liquid extraction processes. Absorbers can be operated co-currently or counter currently. In the former‚ both fluids involved are fed into the unit from the same point causing them to flow along each other. In counter current operation‚ the liquid is fed at the top of the absorber‚ flows downwards and contacts with rising gas fed from beneath. Absorbers can be classified
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product and the vapor is condensed and discarded. Agitated thin film evaporators‚ wiped film evaporators‚ are designed to spread a thin layer or film of liquid on one side of a metallic surface‚ with heat supplied to the other side. The unique feature of this equipment is not the thin film itself‚ falling and rising-film evaporators use thin liquid layers‚ but rather the mechanical agitator device for producing and agitating the film (APV‚ 2000). Conventional heat transfer equipment may not be well
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covalent bonds have lower melting and boiling points. 1. Do ionic compounds conduct electricity as: (3 points ) A. Solids? No B. Liquids? No C. Aqueous solutions (when the ionic compounds are dissolved in water)? Yes 2. Do covalent compounds conduct electricity as: (3 points ) A. Solids? B. Liquids? C. Aqueous solutions (when the covalent compounds are dissolved in water)? 03.06 Covalent Bonding and Lewis Structures: Lab and Rubric Part
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high temperature region to the low temperature end. THERMAL EXPANSION (See chp. 16 in Physics Text). Three states of matter are solids liquids and gasses. http://www.chem.purdue.edu/gchelp/liquids/character.html Draw diagrams to show how the molecules are arranged in all three states below. Experiments to illustrate expansion of solids‚ liquids and gasses. (page 103) 1. Expansion of Solids (fig. 16.7) • Bimetallic strip – consists of two different metals‚ usually brass
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