Mixtures and Solutions Quiz

False (B)

A substance consisting of two or more pure components that are physically combined.

<p>one</p> Signup and view all the answers

<p>Homogeneous Mixture = Uniform composition throughout Heterogeneous Mixture = Non-uniform composition</p> Signup and view all the answers

<p>They have uniform composition throughout. (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Sodium chloride and iron filings, oil and water.</p> Signup and view all the answers

<p>Scattering of light by particles (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>dispersed phase and dispersion medium</p> Signup and view all the answers

<p>A heterogeneous mixture in which solute particles do not dissolve and remain suspended (D)</p> Signup and view all the answers

<p>tyndall</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Suspension = Heterogeneous mixture with visible particles Tyndall effect = Scattering of light by particles in a colloid Colloid = Cannot be separated by filtration Centrifugation = Used to separate colloids</p> Signup and view all the answers

<p>Sunlight passing through the canopy of a dense forest (A)</p> Signup and view all the answers

<p>Hydrogen (D)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>heterogeneous mixture</p> Signup and view all the answers

<p>solvent</p> Signup and view all the answers

<p>Solute = The minor component of a solution Solvent = The major component of a solution Suspension = A heterogeneous mixture with visible particles Compound = Substance with totally different properties compared to the combining elements</p> Signup and view all the answers

<p>Colourless with the smell of rotten eggs (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Appropriate techniques (A)</p> Signup and view all the answers

<p>To separate dyes in black ink (D)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Temperature of the mixture</p> Signup and view all the answers

<p>water</p> Signup and view all the answers

<p>At the boiling point of the liquid (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Distillation</p> Signup and view all the answers

<p>Chromatography = Separation of dyes in a solution Distillation = Separation of miscible liquids with different boiling points Condensation = Process of changing vapor back to liquid Absorption = Process of a liquid taking in a substance</p> Signup and view all the answers

<p>Poor conductors of heat (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Group I and Group II</p> Signup and view all the answers

<p>poor</p> Signup and view all the answers

<p>Gold = Metal Oxygen = Non-metal Silicon = Metalloid Copper = Metal</p> Signup and view all the answers

<p>Lustre (shine) (C)</p> Signup and view all the answers

<p>Mercury</p> Signup and view all the answers

<p>compound</p> Signup and view all the answers

<p>106 grams (D)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Crystallization of potassium chloride may occur.</p> Signup and view all the answers

<p>37</p> Signup and view all the answers

<p>Ice = Pure Substance Vinegar = Mixture Iron = Pure Substance Soil = Mixture</p> Signup and view all the answers

<p>Potassium nitrate (C)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>The solubility typically increases.</p> Signup and view all the answers

A combination of two or more pure substances.

A mixture with a uniform composition throughout.

A mixture with physically distinct parts and variable composition.

A type of homogeneous mixture where a solute is dissolved in a solvent.

A heterogeneous mixture where particles are suspended but will settle over time.

A heterogeneous mixture where tiny particles are dispersed but do not settle.

A characteristic of mixtures where the proportions of components can change.

A process used to separate mixtures without changing their chemical properties.

Scattering of light by small particles in a medium.

The phase consisting of particles distributed throughout another phase.

The continuous phase in which particles of a colloid are suspended.

A technique to separate components of a mixture based on density.

A process to separate solids from liquids using a filter.

A technique used to separate mixtures into individual components.

A substance that dissolves a solute to form a solution.

A type of substance that gives color to materials.

A paper used to separate solid particles from liquids.

A method for separating components in a liquid mixture based on boiling points.

The temperature at which a liquid turns into vapor.

A technique to separate mixtures of liquids by their boiling points.

The ability of a substance to dissolve in a solvent.

A substance formed when two or more elements combine chemically.

A colorless, odorless, and combustible gas obtained from Group I.

A colorless gas with a rotten egg smell obtained from Group II.

The properties of a mixture are the same as its individual components.

A mixture where the components are evenly distributed.

The measure of solute present per unit volume or mass of solution.

Methods used to separate mixtures into pure substances.

Elements that are typically shiny, conductive, ductile, and malleable.

Elements that are generally poor conductors, not shiny, and do not exhibit malleability.

Metals usually have lustre, conduct heat/electricity, are ductile, and are malleable.

Elements that have properties intermediate between metals and non-metals.

Common metals include gold, silver, copper, iron, sodium, and potassium.

Common non-metals include hydrogen, oxygen, iodine, carbon, bromine, and chlorine.

The only metal that is liquid at room temperature.

A solution that cannot dissolve any more solute at a given temperature.

The effect of temperature on the amount of solute that can dissolve in a solvent.

At 313 K, the solubility of potassium nitrate in 100 g of water is 62 g.

As a saturated solution cools, it can lead to crystallization of potassium chloride.

A pure substance; it's a strong acid used in various applications.

A mixture where tiny particles are dispersed but remain suspended, not settling.

Homogeneous mixtures have a uniform composition while heterogeneous mixtures have distinct parts.