Since we are familiar with how chemical changes happen, there are aftermath of the combination of two substances to form a new substance. Effects of chemical changes can be beneficial or harmful to surroundings. What are the effects? Are the newly formed substances easily reversible? Take this quiz now!
Filtration
Freezing
Condensation
Melting
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Carbon (II) oxide
Carbon (IV) oxide
Sulphur (VI) oxide
Sulphur (IV) oxide
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Carbon
Sulphur
Molybdenum
Manganese
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Filtration
Fractional distillation
Rusting of metals
Burning of paper
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Aluminum oxides
Tetraoxosulphate (VI) acid
Hydrogen sulphide
Hydrogen peroxide
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Burning of paper
Mixing of water with salt
Rusting of metals
Melting of candle
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Catalytic reaction
Exothermic reaction
Endothermic reaction
Irreversible reaction
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Coke
Coal tar
Ammoniacal liquor
Bronze
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Exothermic reaction
Endothermic reaction
Reversible reaction
Catalytic reaction
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