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Grade elev.... inFirst seme... | Chemistry
Unit one: chemical reactions. Lesson one: chemical reactions.
Grade elev.... inFirst seme... | Chemistry
Unit one: chemical reactions. Lesson one: chemical reactions.
Sixth Grad.... inFirst Term | Sciences
Unit one: chemical reactions. Lesson one: chemical reactions.
Sixth Grad.... inFirst Term | Sciences
Unit one: chemical reactions. Lesson one: chemical reactions.
From grade.... inFirst & se... | Science
Unit one: chemical reactions. Lesson one: chemical reactions.
From grade.... inFirst & se... | Science
Unit one: chemical reactions. Lesson one: chemical reactions.
From grade.... inFirst & se... | Science
Unit one: chemical reactions. Lesson one: chemical reactions.
Grade twel.... inFirst seme... | Chemistry
Purpose of experiment Preparation of oxygen gas in the laboratory Toolsglass beaker - two-hole cork stopper - glass spout funnel - glass delivery tube - basin - water - graduated flask - hydrogen peroxide solution (oxygen water) - manganese dioxide.StepsBring the glass basin and install th......
Grade seve.... inFirst seme... | Sciences
Purpose of experimentPreparation of carbon dioxide gas in the laboratorytoolsgraduated flask - glass beaker - cork stopper with two holes - glass funnelU-shaped glass tube - dilute hydrochloric acid - calcium carbonatesteps Place the candle in the middle of the lab bench.Light the candle by usi......
First Grad.... inSecond Ter... | Science
Writing and weighing chemical equations
Second gra.... inFirst Term | Science
The reaction of metals with dilute acids
Second gra.... inFirst Term | Science
Discovering the chemical properties of metals (reaction of metals with oxygen)objectiveUnderstanding the interaction of metals with oxygenToolsA strip of magnesium - Tester filled with oxygen- litmus- A glass of water- holderstepsApply the tester filled with oxygen in the middle of the deskHeat the......
Third grad.... inThird Seme... | Chemistry
the goal:Learning how to prepare ester.Materials and tools: Electric heater - Glass cup - Test tube - Salicylic acid - Methanol - Sulfuric acid - Cotton - SpoonSteps:1. Fill the glass with water and heat it on the electric heater to the mid-level temperature.2. Weigh 1.5 grams of salicylic acid......
Third grad.... inFirst seme... | Chemistry
What happens when iron reacts with copper sulphate (introductory experiment)
Second gra.... inSecond Ter... | Chemistry
Preparation of nitrogen gas in the laboratory
Second gra.... inSecond Ter... | Chemistry
Preparation of nitrogen gas from chemical compounds
Second gra.... inSecond Ter... | Chemistry
Preparation of nitric acid in the laboratory.
Second gra.... inSecond Ter... | Chemistry
Nitrogen Gas Preparation Apparatus
English
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Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Purpose of experiment Preparation of oxygen gas in the laboratory Toolsglass beaker - two-......
Purpose of experimentPreparation of carbon dioxide gas in the laboratorytoolsgraduated flask - glass......
Discovering the chemical properties of metals (reaction of metals with oxygen)objectiveUnderstanding......
the goal:Learning how to prepare ester.Materials and tools: Electric heater - Glass cup - Test......
What happens when iron reacts with copper sulphate (introductory experiment)
Preparation of nitrogen gas from chemical compounds
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