'Blue litmus paper red' diaporamas de présentation

Acids and Bases

Acids and Bases. Acids ( from the Latin acidus / ac?re meaning sour ). Why learn about acids?. Guess the names of the following acids!. Used to ferment milk Named after the latin name of ants; often found in ant stings Found in fizzy drinks Also called vitamin C

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ACIDS AND BASES

Chemistry 10. ACIDS AND BASES. Ms. Albarico. Students are expected to:. Classify simple acids, bases and salts based on their name and formula;

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Module 4 Trivia

Comprehensive Science 3. Module 4 Trivia. How is STUFF made?. Matter is anything that has mass and takes up space. Matter is made up of atoms , which are the smallest unit of an element (See lesson 401-402). Atoms are made up of three subatomic particles (See lesson 404).

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Chemical properties and changes of matter

Chemical properties and changes of matter. 8 th grade. Physical and chemical changes (page 303). PHYSICAL CHANGE. EXAMPLES. Dissolving Bending Breaking cutting Changing state of matter. Appearance or form of a substance changes No new substance is produced.

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Forensic Presentation: Made by; DR AMINA RAO Presented by; Sabahat Siddique

Forensic Presentation: Made by; DR AMINA RAO Presented by; Sabahat Siddique. Carbolic acid (phenol/ phenic acid). DEFINITION It is an aromatic hydrocarbon that is widely used as a distinfectants and in the formulation of industrial solvents , caustics,germicides and preservatives.

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Access to HE Diploma

Access to HE Diploma. Pharmacy and Biomedical Science Introduction to Matter Lesson 5. Hand in homework. Moles, Formulae and Equations workbook. Assessment Criteria. 1.1 Define an element giving examples. 1.2 Write the names and symbols of the first 20 elements.

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Chapter 15 Chemical Compounds

Chapter 15 Chemical Compounds. Ionic compounds have ionic bonds between opposite charges (ions). Covalent compounds have covalent bonds (sharing electrons)and consist of particles called molecules. Properties of Acids :. Produce hydrogen ions (H + ) in water.

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Acids and Bases

Chapter 15. Acids and Bases. ACIDS. Examples of acids: Vinegar Lemon Juice Soft Drink Battery Acid Stomach Acid Apple Juice Black Tea. ACIDS produce solutions that:. Taste sour. Turn blue litmus paper red. Conduct electricity. React with metals to liberate a hydrogen gas.

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Compounds of Carbon

Compounds of Carbon. Carbon has a variable valency of 2 and 4 two important kinds of oxides namely carbon monoxide and carbon dioxide. Both these oxides are gases at room temperature. . Carbon Dioxide - Occurrence .

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ACIDS AND BASES

ACIDS AND BASES. TCAP Review Lesson 17 Vocabulary Foldable (IX). ACID. A substance that releases hydrogen ions (H+) in solution. ION. An atom or group of atoms that has a positive or negative charge because it has lost or gained electrons. BASE.

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Acids and Bases

Acids and Bases. By: Nick Yanik. What we will be learning. To determine the difference between Acids and Bases Discuss the importance of studying acids and bases. What is the pH scale?. The pH scale measures how Acidic or how Basic a solution is. The pH scale.

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How Solid Forms

How Solid Forms. Chapter 2 Section 3 6 th Grade Team. Standards. S.6.6.b Students know different natural energy and material resources, including air, soil, rocks, minerals, petroleum, fresh water, wildlife, and forests and know how to classify them as renewable or nonrenewable. .

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Acids & Bases

Acids & Bases. What are some common acids that you know of? What are some common bases that you know of? Are acids or bases more harmful to the human body? Explain your answer. Are all acids harmful to your body? What is a pH scale and how is it used?. Goals.

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Describing Acids an d bases

Describing Acids an d bases. Properties of acids. Acids are compounds whose characteristic properties include the kinds of reactions they undergo. Properties: a. tastes sour b. reacts with metals and carbonates c. turns blue litmus paper red.

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Acids and Bases

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Acids & Bases

Acids & Bases. By Mr. Jahnz. Our Goals for today. To determine the difference between Acids & Bases Discuss the importance of studying Acids & Bases Perform an experiment dealing with Acids & Bases. What is the pH scale?. The pH scale measures how acidic or basic a solution is.

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Robert Boyle (1627-1691)

Robert Boyle (1627-1691). The Father of Modern Chemistry. F.6S Tam Ka Man Yip Wai Ching. Biography. 1631: Death of his mother and Boyle goes to live in Dublin. 1638: The earl of Cork took both his sons away from the School

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Solutions

Solutions. Solution: a well-mixed mixture that contains a solvent and at least one solute Solvent: the part of a solution present in the largest amount Solute: the part of a solution present in a lesser amount and dissolved by the solvent Solute = substance being dissolved

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Acids vs. Bases

Acids vs. Bases. Acids Is a substance that tastes sour, reacts with metals and carbonates, and turns blue litmus paper red. Usually with H+ ions Examples: orange, apple, fruit juice. Examples: hydrochloric acid ( HCl ) nitric Acid (HNO 3 ) sulfuric acid (H 2 SO 4 )

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Describing Acids and Bases

Describing Acids and Bases. Properties of Acids. 1. Sour Taste 2. Acids are corrosive 3. Acids react with metals and carbonates 4. Solutions of acids conduct electric current. 5. Acids can change the color of the substance 6. Acids change blue litmus paper red. Uses of Acids.

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