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Girl pouring liquid into chemical flask

Girl pouring liquid into chemical flask

Girl pouring liquid into chemical flask

Girl looking at chemical in flask

Girl pouring chemical into test tube

Girl using pipette

Girl holding chemical flask

Girl making notes

Girl making notes

Girl using pipette

Girl looking at test tubes

Girl using pipette

Girl holding test tubes

Girl holding test tubes

Girl examining microscope slide

Girl using microscope

Girl using microscope

Girl using microscope

Young woman holding chemical sample

Chemistry student holding blue chemical

Person pouring chemical into flask

Girl using microscope

Girl with microscope

Girl with microscope

Girl using microscope

Girl using microscope

Girl with microscope

Girl with microscope

Girl using microscope

Girl using microscope

Girl using microscope

Girl using microscope

Girl using microscope, portrait

Girl using microscope, portrait

Girl using microscope

Girl using microscope

Teen girl

Girl holding flask with green leaf

Person pipetting chemicals into a flask

Chemistry student working in a fume cupboard

Female technician weighing chemicals in laboratory

Science student weighing powder

Chemistry students weighing chemicals on scales

Girl with pcr tubes

One hundred dollar bill in flat bottomed glass chemistry flask

Girl examining microscope slide

Girl examining microscope slide

Woman working in chemical laboratory

Girl doing science experiment, pouring liquid into flask

Chemistry student using microscope in laboratory

Girl experimenting with fuel cell

Girl experimenting with fuel cell

Girl using microscope

Girl using microscope

Girl using microscope

Girl using microscope

Lab technician holding chemical sample and making notes

Chemistry lesson

Transferring a reactant into a flask

Girl using microscope

Girl using microscope

Chemistry student pouring liquid into test tube

Chemistry student pouring liquid into beaker

Litmus indicator dropping from pipette into beaker for pH test

Boy making craft object

Boy making craft object

Boys making craft object

Boy making craft object

Girl Reading on Bed

Girl holding green leaf with tweezers

Girl holding green leaf with tweezers

Girl holding green leaf with tweezers

Girl holding green leaf and making notes

Woman working in chemical laboratory

Chemist pouring liquid from beaker into flask

Chemist pouring liquid from beaker into flask

Liquid-filled petri dish and molecular structure

Germany, Hannover, Clonical flask with chemical

Germany, Hannover, Clonical flask with chemical

Science student using microscope

Chemistry lesson

Chemistry lesson

Using a 'makeshift' calorimeter

Distillation equipment

Distillation apparatus

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a beaker

Using a 'makeshift' calorimeter

Iron salts in solid and liquid forms

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Chemistry students in a laboratory

Young scientists working in laboratory

Pipette mixing liquid into flask

Schoolchildren making slime

Pipette in laboratory flask containing transition metal salts

Girl wearing mask holding test tube

Girl wearing mask holding test tube

Two girls doing science experiment, shaking liquid in flask

Boys making craft objects

Girl doing science experiment, pouring liquid

Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution

Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution

Beakers with solutions of transition metal salts

Beakers with solutions of transition metal salts

Beakers with solutions of transition metal salts

Chemistry students doing experiment

Close up girl doing homework with pencil

Portrait of boy in classroom

Portrait of boy in classroom

Girl testing proton exchange membrane cell

Girl testing proton exchange membrane cell

Girl testing proton exchange membrane cell

Girl testing proton exchange membrane cell

Girl testing proton exchange membrane cell

Girl using tweezers with circuit board

Boy looking at dry ice

Elementary schoolgirl looking bored during lesson

Portrait of teenage girl with clipboard

Teenage girl holding molecular model

Magnetising a needle

Girl who looks into microscope

Woman using microscope

Woman working

Woman working

Woman using pipette

Portrait of woman with microscope

Flask with blue liquid, close up

Variety of laboratory flask containing transition metal salts

Variety of laboratory flask containing transition metal salts

Pipette dripping liquid into test tube

Girl doing science experiment, squeezing liquid into measuring cup

Two girls doing science experiment, pouring packet into frying pan

Glass chemical equipment in a chemistry lab

Student using pipette

理科の実験（クラフト）

Germany, Pipetting pink liquid into test tubes, close up

Potassium chromate solution

Test tube of silver bromide.

Devices for measuring liquids

Titration of propanone and iodine

Titration of propanone and iodine

Phosphorus chloride reacting with acid

Chrome alum solution

Carboxylic acid with sodium carbonate

Carboxylic acid with sodium carbonate

Carboxylic acid with sodium carbonate

Rates of reaction experiment

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Immiscible liquids

Copper sulphate dissolving in water

Measuring jug and bulb pipette

Mercury pouring from a beaker

Mercury pouring from a beaker

Woman holding flask in chemical laboratory

Woman dripping liquid onto a microscope slide

Anatomical model of human foetus

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Chemistry students in a laboratory

Woman holding molecular model

Chemistry student

Woman measuring liquid in chemical laboratory

Chemistry lesson

Chemistry lesson

Chemistry lesson

Scientist using pipette, close up

Electronic laboratory water bath

Iron (III) chloride solution

Neodymium

Universal indicator

Potassium chromate and silver nitrate

Reading a burette

Ammonia test

Bromine

Reading a burette

Titrating a reactant from a burette

Loudspeaker and microphone

Lead

Making a reactant solution

Water

Reading a burette

Potassium dichromate

Aluminium powder

Precipitate of copper (II) chloride in sodium hydroxide

Copper (I) chloride on watch glass

Copper (I) chloride with hazard pictograms

Copper (II) chloride on watch glass

Copper (II) chloride with hazard pictograms

Iron (II) chloride on a watch glass

Iron (II) chloride with hazard pictograms

Glass flasks with liquids in a laboratory

Glass flasks with liquids in a laboratory

Phenolphthalein at pH9.3