Unit one: chemical reactions. Lesson one: chemical reactions.

Unit One: Chemical Reactions. Lesson Three: Chemical equation and chemical reaction.This experiment aims to understand the chemical reaction process by igniting a strip of magnesium in the air, as this experiment represents the reactants, the reaction condition and the reaction product.

Unit One: Chemical Reactions. Lesson Three: Chemical equation and chemical reaction.This experiment aims to understand the interactions of the compounds with other compounds

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.

The process of oxidation and reduction according to the traditional concept

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

The difference in the intensity of the reaction

The goal of the experiment: This experiment aims to discover the interaction of nonmetals with oxygen in the air through combustion processes in the air experiment Tools: A piece of charcoal - a combustion spoon - an empty tester - a glass of water - sunflower dye Steps of the experiment: Heat the c......

The goal of the experiment This experiment aims to understand the properties of the interaction of metals with oxygen Tools Magnesium Tape - Tester filled with Oxygen - Water - Litmus Tincture Steps Heat the magnesium strip until it glows, then place it in the tester filled with oxygen Add an amoun......

Determination of specific heat

Types of Mixtures

Hydrometer Experiment to Measure Liquid Density

Purpose of experimentto learn about electrolyte solutionsToolsSodium chloride salt - dilute acetic acid - 2 beakers - distilled water - battery - electric lamp - 3 wires - glass legstepsPut 20 ml of distilled water into the first glass beaker, then add an appropriate amount of sodium chloride s......

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......

How can the reaction rate be increased?

Experiment purposeThomson's atom modelToolsDischarge tube - connecting wires - high voltage source - magnetSteps Turn on the electricity by pressing the button and then note the raysBring a magnet close to the discharge tube and note the effectConclusion ·      We......

What substances can pass through a semipermeable membrane?

Compare the strengths of acids

Measurement of calories

What is equilibrium equality?

Comparison between the constants of solubility products.

purpose of experiment to learn about non-electrolyte solutionstools2 glass beaker  - distilled water - sugar - ethyl alcohol - battery - electric lamp - 3 connecting wires - glass rod steps Put 20 ml of distilled water into the first glass beaker, then add an appropriate amount of sugar a......

purpose of experimentAcid & base TitrationToolsHolder - Burette - Graduated cylinder (25 ml) - Hydrochloric acid - Sodium hydroxide - Glass funnel - Methyl orange.steps Fix the burette on the holder, then place the glass funnel over the burette.  Fill the burette with hydrochloric......

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......

purpose of experiment illustrate chemical indicators tools Hydrochloric acid – sodium hydroxide – orange methyl indicator – litmus indicator – bromothymol blue indicator – 12 conical flask – distilled water-Phenolphthalein indicator StepsPut 10 ml of the solution in front of you into each conical......

Objective of the experiment:Calculate the volume percentage of oxygen in the airExperiment tools:Glass basin - Graduated cylinder - Candle - Beaker with colored water - Lighter Experiment steps: - Place the candle inside the glass basin .- Pour the colored water into the glass basin .- Light the can......

Detection of the chloride anionThis video shows how to do the experimenthttps://youtu.be/_2a2CeQxanw

Periodic Table

Unit one: chemical reactions.  Lesson one: chemical reactions.Please watch the video of the experiment by clicking here before starting it

Methods for measuring pHPlease watch the video of the experiment by clicking here before starting it

Rutherford experiment

Detection of iron 111 cationThis video shows how to do the experimenthttps://youtu.be/8lV8Y7aNVmA

Detection of monosaccharides and disaccharidesPlease watch the video of the experiment by clicking here before starting it

Detection of sulphide anion

Detection of thiosulfate Anion

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......

The color of gold changes according to the size of the gold nanoparticles:Tools Samples of nanoparticles of gold (visible sample)A sample of gold minutes is small, its minutes are measured in macrosteps Bring the gold sample measured by the macro and display the flashlight on it and note what h......

Atom Structure

Please watch the video of the experiment by clicking here before starting it

Detection of the nitrate anion

Detection of an iron(II) cation

Detection of aluminum cation

Please watch the video of the experiment by clicking here before starting it

Detection of the phosphate anion

Endothermic reactions

Estimating the molar volume of a substance

the goal:Explanation of how we can infer a chemical change has occurred.Materials and tools:Ammonia solution - Distilled water - Glass beaker - Universal indicator - Effervescent tablets.Steps:1- Put a quantity of distilled water in the glass.2- Add drops of ammonia solution into the water in the gl......

the goal:Measuring the change in temperature of a mass of water during a combustion reaction.Materials and tools:Candle - Small metal box - Large open-ended metal box - Steel wool - Balance - Pen - Stirring rod - ThermometerSteps:1. Light the candle and weigh the large container.2. Fill the containe......

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......

Determine the molar ratio

Compare melting points

Determine what compounds

Detection of some elements using flame

Writing and weighing chemical equations

the goal:The hydrogen atom discrete spectroscopyMaterials and tools:Hydrogen gas electrical discharge tube - triple glass prism - white screen - two vertical micro-slits opposite each other - metal rod - connecting wiresSteps:1-Connect the positive terminal of the voltage source to the base of the e......

Detection of nitrite anionPlease watch the video of the experiment by clicking here before starting it

Please watch the video of the experiment here before starting it

Types of radiation

Measuring galvanic cell voltage

the goal:Draw a conclusion about the Law of Conservation of Mass.Materials and tools:Wire crucible - Test tube - Balloon - Sensitive scale - Heater - Hot water bath - Test tube holder - Stopwatch - TissuesSteps:1. Place a piece of wire crucible in a medium-sized test tube.2. Attach the balloon nozzl......

The goal of the experiment: Explain the difference of materials from each other in the ability of electrical conductivity Experience Tools:  Battery - electric lamp - glass cup - acids, strengths, salts and sugar solution - wood - copper - steel nail - connecting wires Steps of the experiment:......

Unit One: Chemical Reactions.Lesson Two: chemical compounds.This experiment aims to learn how to distinguish between acid and alkali solutions in the laboratory through reagents and the red and blue litmus papers.

The goal of the experiment: Explain the idea of work the Hofmann's voltameter Experiments Tools:  Hofmann's voltameter apparatus- holder- acidified water with dilute sulphuric acid- battery – glowing splint Steps of the experiment: The Observation & Conclusion:

Objective of the experiment:fat detectionExperiment tools:Vegetable oil - Skimmed milk - Whole milk - Sudan III solution - Test tubesExperiment steps: - Put 2 ml of milk into test tubes.- Add 5 ml of water into a test tube and then put 2 ml of oil.- Add 10 drops of Sudan III solution to th......

Effective use of a Bunsen burner

the goal:To explain how to make soap at home.Materials and tools:Water sample 1 - Water sample 2 - Distilled water - Dropper - 3 test tubes with stoppers - Coloring pencil - Dishwashing liquid - Test tube rack.Steps:1- Take a quantity of distilled water and place it in test tube D, repeat the step w......

Wood density

Chewing gum analysis

Formation of Salt

Substances differ from each other in terms of melting point

Determine the formula of aqueous salts

Detection of monosaccharides and disaccharides

the goal:Investigating flow velocity in different fluids.Materials and tools:Small balls - set of different fluids - graduated cylinder. Steps:1- Fill the graduated cylinder with water2- Drop a small glass ball into the graduated cylinder3- Using a stopwatch, measure the average time it takes f......

Boyle's Law

the goal:Determine the value of atmospheric pressure using a mercury barometer.Materials and tools:tube 90 cm - basin - mercury - glass plate - holderSteps:1) Fill the test tube and the glass bowl with mercury.2) Drop the test tube in the pelvis and note what happens. Note:The drop in the level......

Manometer device

Get to know a dilapidated (old) truck

How to Make a Lemon Battery?

What happens when iron reacts with copper sulphate (introductory experiment)

Investigation of factors affecting solubility

How does it work as a cold pack?

Shift in equilibrium position

Comparing evaporation rates

Dye separation

Properties of alcohols

Preparation of nitrogen gas in the laboratory

Preparation of nitrogen gas from chemical compounds

Preparation of nitric acid in the laboratory.

Nitrogen Gas Preparation Apparatus

Developing observation skills

Chromatography 

Reactions of metals and acids

Separation of a Solid and Liquid MixtureMaterials Used:SandSaltWaterFilter funnelFilter paperGlass plate for evaporationHeat source (e.g., Bunsen burner).Objective of the Experiment:To separate the components of a mixture of sand, salt, and water by filtration to separate the sand, and evaporation t......