Chemistry

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We study a flower

We study a flower

Item no.: P8010000
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Optical illusions

Optical illusions

Item no.: P8013800
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Body heat

Body heat

Item no.: P8010400
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Sugar containing nutrients

Sugar containing nutrients

Item no.: P8012400
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Fat containing nutrients

Fat containing nutrients

Item no.: P8012500
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Processing of gypsum

Processing of gypsum

Item no.: P7155800
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Hardness of water

Hardness of water

Item no.: P7155201
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Properties of mixtures

Properties of mixtures

Item no.: P7150601
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Plaster moulds

Plaster moulds

Item no.: P7155900
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Test for water

Test for water

Item no.: P7155300
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Properties of mixtures

Properties of mixtures

Item no.: P7150600
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Liquid mixtures

Liquid mixtures

Item no.: P7150700
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The candle flame

The candle flame

Item no.: P7154200
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Dipole properties

Dipole properties

Item no.: P7152300
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Water, an oxide

Water, an oxide

Item no.: P7155400
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Synthesis of water

Synthesis of water

Item no.: P7155600
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Oxidation of metals

Oxidation of metals

Item no.: P7153000
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Reduction of copper oxide

Reduction of copper oxide

Item no.: P7154400
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Properties of aluminium

Properties of aluminium

Item no.: P1143400
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Oxygen, cause of oxidation

Oxygen, cause of oxidation

Item no.: P7153200
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Properties of oxygen

Properties of oxygen

Item no.: P7153500
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Soda-lime glass beads

Soda-lime glass beads

Item no.: P7156400
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Properties of sulphur

Properties of sulphur

Item no.: P1139600
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Graphite and diamond

Graphite and diamond

Item no.: P1142200
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Acid strength

Acid strength

Item no.: P7157600
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The detection of nitrogen

The detection of nitrogen

Item no.: P7170400
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The detection of sulphur

The detection of sulphur

Item no.: P7170500
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Oil fields

Oil fields

Item no.: P7171200
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The cracking of petroleum

The cracking of petroleum

Item no.: P7171300
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