The pure liquid collected from distillation is called the ____________.
distillate
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15
A technique used to separate different dyes in the ink mixture.
chromatography
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25
Give the different properties of an element, compound and mixtures.
Element is pure, made up of 1 kind of atom. Compound are made up of different elements that are chemically combined. Mixtures are not chemically combined.
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25
Give the difference between solubility and rate of solubility.
The rate of solubility is the amount of solute that dissolves in a fixed volume of solvent, given a fixed amount of time
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10
True or False: When a mixture is formed, no chemical reaction occurs. Hence, a chemical reaction can be separated easily by physical methods.
True
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15
_____________is a metal that is liquid in a room temperature. State the common use of the said metal.
Mercury. It is used in the thermometers.
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25
Give 3 factors that can affect the solubility of a solute.
nature of the solvent, nature of the solute, temperature
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15
Element, Compound, Mixture: It can be broken down by chemical methods.
compound
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25
The technique used to separate a mixture depends on ________________________ and _____________.
physical properties of the substances present in the mixture and substance(s) to be obtained from the mixture.
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20
The trapped solid particles that remain on the filter paper is called the ___________.
residue
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10
True of False: A suspension is a mixture that dissolves in a solvent.
False. The insoluble substances are suspended in a liquid or gas.