WorksheetsMixtures I
Total questions: 20
Worksheet time: 40mins
Which of the following statement is CORRECT?
I. Pure substance is a substance that is made up of only one kind of particle and have a fixed structure.
II. Compound is considered a pure substance consisting of two or more atoms that are chemically bonded to one another.
I
II
Both I and II
Neither I nor II
The following can be separated EXCEPT:
Element
Mixture
Compound
Element, Mixture, and Compound
The following statements are correct EXCEPT:
I. Metalloids are combination of metal and non-metal elements
II. Non-metals are elements that can be considered poor conductors or unable to conduct energy.
III. Carbon, Nitrogen, Phosphorous, and Selenium are metallic elements.
IV. Metals are good conductor of heat and electricity.
I
II
III
IV
Which of the following statement is CORRECT about Compounds?
I. Compounds can be either acid or base.
II. Compounds are composed of two or more elements.
III. Compounds are pure substances.
I
II
III
I, II, and III
It is a mixture that is not uniform, and each form can be noticed and differentiated.
(a)
Anna wants to dissolve a substance in water. Which substance will dissolve the easiest?
Rocks
Sugar
Pepper
Sand
What mixture could you use this tool to best separate that mixture?
Sugar and Salt
Sand and rocks
Apples and grapes
Vinegar and Soy Sauce
The best way to separate trail mix would be:
filter
by hand
sieve
evaporation
Sand and gravel may be separated from each other using this method.
Using a filter funnel
Using a sieve
Using an evaporating basin
Distillation
The mixture shown here ___________.
Maintains its physical properties when combined
Dissolves after being stirred together
Will evaporate after a certain period of time
Cannot be separated into ingredients
It is a mixture in which very small particles of one substance are dispersed throughout another substance.
Solution
Colloid
Suspension
Alloy
Solutions are a type of mixture. What makes solutions different from other mixtures is....
The elements in a solution react to compounds
One substance dissolves in the other
Two or more substances are combined
Presence of particles that are suspended
The key feature of Suspensions is that the suspended particles settle over time if left disturbed and the particles are visible.
True
False
If the solution has a lot of solutes in a given solvent, it is described as (a) .
The following are examples of a solution EXCEPT:
Salt water
Lemonade
Soft Drinks
Muddy water
The following statements describe a heterogenous mixture EXCEPT:
I. Substances in the mixture are unevenly distributed or least mixed.
II. Size, shape or form, and color may change after mixing.
III. Components are visually distinguishable and can be separated.
IV. Substances in the mixture can be of two phases.
I
II
III
IV
Which of the following is a heterogenous mixture?
Brass
Powdered Watermelon Juice Drink
Air
Fruit salad
Which of the following statement is TRUE?
I. Solute and solvent are components of a solution
II. Solute and solvent are substances
III. Solute and solvent can be solid, liquid, or gaseous
I
II
III
I, II, and III
Which of the following statement is CORRECT?
I. Mixture does not undergo chemical reaction during mixing.
II. Amount of each components varies and can be separated.
III. Each component of a mixture keeps its original properties.
I
II
III
I, II, and III
