School Chemistry Experiments

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School Chemistry Experiments

This chemistry tutorial is designed to supplement actual classroom chemistry experiments, as well as highlight those which cannot be actually performed in the classroom due to size, safety or accessibility. Each experiment is explained while being conducted and reinforces the intricacies of chemical compounds and their behavior.

Open flame with a piece of metal in it. Flame below the metal is blue, above the metal is orange. Ca2+. Caption: Calcium compounds show a typical orange-red coloring.

Silvery metallic orb with iridescent spiky crystals adhering to the bottom. Caption: Iodine crystals are not only interesting

Narrow curving tube exits into a wider tube. Both are underwater. Caption: whether hydrogen has a higher or lower density than air.

Beaker of liquid with a yellow substance dissolving. Caption: It was formed by the oxidation of potassium iodide.

Test tube with aqua liquid in the bottom is immersed in ice water. Caption: and at low temperatures, the reaction is slowed down.

Person pouring clear liquid into 4 beakers. Caption: Nitric acid is a very strong oxidizing agent.

Broken pottery with a lump of metal on the ground. Caption: we find iron reduced from the iron(III) oxide.

A large beaker with a substance in the bottom, a smaller beaker suspended above it. Caption: and yet their properties are so different.

Beakers labelled 1M KOH, ind. and 1M HCI. Another beaker with a greenish liquid has a tube with a nozzle at the mouth of it. Caption: The neutral solutions will be changed

Measurement device with leads attached. A rectangular box filled with fluid and a person putting a lid on the box with two leads reaching into the liquid. Caption: An important part of the electrolysis cell

Glass container labelled as CaC2 with a gray, rocky substance sitting among other scientific instruments. Caption: has the chemical name "calcium carbide."

Clear pebble substance in a test tube melting as it is being heated by a flame. Caption: This is called "depolymerization."

Container labelled CaO with a white powdery substance next to a dish with a granular light brown substance. A person is about to scoop out some CaO. Caption: and also sulfur and oxygen.

Person holding an open beaker of a clear liquid next to an empty test tube. Caption: Acetic acid is weaker than most inorganic acids.

Test tube with a clear substance on the bottom. At the top of the substance is a light-yellow patch. Caption: it does not dissolve and floats on the water.