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Attractive lab experiments in school chemistry classroom

Experiments in the laboratory

Laboratory glass tube with colored liquid.

Mobile laboratory inspection for outdoor environment, Water treatment lab test, science inspection concept, Scientist experimenting with water quality at wastewater treatment system.

Three test tubes containing (left to right) precipitate of copper hydroxide, precipitate of iron (III) hydroxide and precipitate of iron (II) hydroxide. The precipitates were made by adding a solution of sodium hydroxide to tubes containing Cu2+, Fe3+ and Fe2+ ions in solution, respectively. This testing for ions practical features in GCSE Chemistry exams.

Close up of laboratory glassware.

Scientist working with laboratory glassware of luminous liquids at table against dark background, closeup

Test tubes.Blank medical test tubes. Extreme Close-Up,

Research and development

Scientist is experimenting with chemicals.

The Erlenmeyer or Conical flask on bench laboratory, with colorful solvent solution from titration experiment. Parameter of acidity and alkalinity, acid-base analysis compounding in wastewater sample.

Female scientists wearing Chemical protective suites and PPE collect samples of toxic water to test by mobile lab test, examining wastewater from Industrial, and environment

pH scale in test tubes. School science experiment showing the range of the PH scale with diagram. Educational science test.

Young female chemist in formal wear conducting scientific experiment using chemicals in a laboratory.

Water test for PH level. A chemical reagent is added to a test tube. 4k video

3D rendered test tube

Detail of a school chemistry lab desk during an experiment.

Laboratory products. Tubes stands. They contain blue and red liquids. No people.

Closeup chemical ingredient on white laboratory table. Potassium Ferricyanide in test tube with molecular structure.

Color reagents in test tubes and flasks are on the table. Study chemistry. Natural Sciences. Desk. Classroom. Laboratory at the university. Biolaboratory. Science.

Symbolic chemical science

Different colors of chemical solutions in science class

Beakers used in science laboratories on blue and orange background. Their reflections can be seen in the table where they sit.

The hand wearing a rubber glove is holding a test tube, yellow liquid is poured from it. Surrounded by glassware and colorful liquids on a yellow-green gradient background.

Environmental Engineers examining the quality of wastewater at the storage Treatment Plant with the mobile laboratory

Two clear liquids, one alkaline, one phenolphtalein, are mixed and become purple red.

Young woman in lab wear conducting scientific experiment using chemicals and laboratory equipment.

Rack of the test tube with coronavirus sample on the table. Prevent flu disease Coronavirus

Hand with gloves is holding purple liquid in a flask in front of gray background.

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