Quiz about Standardized 1st Quarterly Exam in Science VI

Question 1

Which of the following statements describes a mixture?

Accepted Answer

It consists of two or more substances that are physically combined.

Answer

It is composed of different substances.

Answer

It is made up of different elements and compounds.

Answer

It is a combination of two or more substances that are chemically combined.

Question 2

In what type of mixture are the substances evenly distributed throughout the mixture?

Accepted Answer

homogeneous

Answer

heterogeneous

Answer

solute

Answer

solvent

Question 3

A homogeneous mixture is a combination of two substances which produce a uniform or the same appearance in their product after the mixing procedure. Which of the following shows uniform appearance of a product?

Accepted Answer

vinegar

Answer

halo-halo

Answer

French fries

Answer

pizza

Question 4

Which heterogeneous mixture whose particles settled out of the mixture when left undisturbed?

Accepted Answer

suspension

Answer

colloid

Answer

solution

Answer

solvent

Question 5

Which of the following statements BEST describes colloids?

Accepted Answer

Composed of molecules bigger than a solution but smaller that a suspension.

Answer

Formed by mixing different kind of solutions.

Answer

Have molecules that are big enough to settle at the bottom.

Answer

Mixtures of two or more substances that can easily be separated.

Question 6

Which of the following is a uniform mixture?

Accepted Answer

steel

Answer

salt

Answer

sugar

Answer

toy box

Question 7

What makes spaghetti a heterogeneous mixture?

Accepted Answer

Its ingredients can be distinguished easily.

Answer

It is delicious and mixed well.

Answer

It has a main component or base ingredient.

Answer

Its ingredients cannot be distinguished easily.

Question 8

What property of a suspension that is different from a solution or a colloid?

Accepted Answer

If left to rest, the particles of a suspension will settle down.

Answer

Suspensions are colorless.

Answer

A suspension is always clear.

Answer

The particles of a suspension reflect light.

Question 9

It is a colloid which consist of gas dispersed in liquid foams and solid foams.

Accepted Answer

foam

Answer

aerosol

Answer

emulsion

Answer

sol

Question 10

Try mixing the following liquids with water in different containers. Which of the following liquids is immiscible with water?

Accepted Answer

kerosene

Answer

liquid soap

Answer

soy sauce

Answer

vinegar

Question 11

Every morning, most of us will start our day with a cup of coffee. When sugar is dissolved into coffee, the beverage becomes a solution. What do you call the substance being dissolved in the solution?

Accepted Answer

solute

Answer

sand

Answer

solvent

Answer

solution

Question 12

Try mixing the starch with hot water, pepper powder with hot water, and sugar and hot water in different containers. Which of the following are examples of colloid mixture?

Accepted Answer

starch with hot water

Answer

sugar and hot water

Answer

pepper with hot water

Answer

none of the above

Question 13

A colloid is a mixture having particles of one component and has properties between those of a solution and fine suspension. When we mix liquid butter fat and water, we can make milk. What kind of mixture is it?

Accepted Answer

colloid

Answer

foam

Answer

solution

Answer

suspension

Question 14

Martin conducted an experiment using the following substances: cornstarch and water and black pepper and water. As Martin mixed the following substances, he noticed that the cornstarch and water combined and formed a gel. What do you call the cornstarch and water mixture?

Accepted Answer

colloid

Answer

mixture

Answer

solution

Answer

suspension

Question 15

Oil and water are two liquids that are immiscible. What do you mean by immiscible liquids?

Accepted Answer

Liquids that do not mix to form a solution.

Answer

Liquids that mix together to form a solution.

Answer

Liquids that have more solvent and less solute.

Answer

Liquids that have less solvent and more solute.

Question 16

Solution is a homogeneous mixture of one or more solutes dissolved in a solvent. A solute is a substance dissolved in a solvent. A lemonade is a solution made by mixing water with lemon juice and sugar. In this solution, which substance is the solvent?

Accepted Answer

water

Answer

Lemon juice

Answer

sugar

Answer

none of the above

Question 17

Why does the sky looks blue in daytime and looks red during sunset?

Accepted Answer

because of Tyndall effect

Answer

because of Brownian movement

Answer

because of the suspended particles in the air

Answer

because of particles that are easily seen by the eyes

Question 18

Josephine conducts experiment using the following substances: sugar and pineapple juice, salt and vinegar, flour and water. As she mixes the pair of substances, she observed that only the flour did not dissolve in water evenly. Based on her observation, what can you conclude?

Accepted Answer

Not all solutes can be dissolved in all solvent.

Answer

Water is a universal solvent.

Answer

All solutes can be dissolved in any solvent.

Answer

Miscible substances will not dissolve in any solvent.

Question 19

Solubility is the ability of a solid, liquid, or gaseous chemical substance (or solute) to dissolve in a solvent and form a homogeneous solution. There are three factors that affects solubility: the solvent, temperature, and pressure. Which of the following substances you think can be dissolve in water?

Accepted Answer

brown sugar

Answer

baking soda

Answer

black pepper

Answer

sand and gravel

Question 20

Maria lives in a far-flung area. One day, Maria got sick. She had a runny nose and cough. Since Maria lives far from the city, her family relies on herbal medicines. Her mother gathers lemons from their backyard and squeezed the juice out of it and mixed it with water. As Maria drinks the medicine, she noticed that it tastes sour. What should Maria put to the mixture to improve its taste?

Accepted Answer

sugar

Answer

salt

Answer

vinegar

Answer

soy sauce

Question 21

Prince wanted to drink kalamansi juice. Help him by arranging the steps in making kalamansi juice.

I. Squeeze the kalamansi into a glass from each half.

II. Serve it with ice cubes.

III. Cut the kalamansi into two equal halves.

IV. Add sugar and water.

V. Stir it properly until the sugar get dissolves.

Accepted Answer

III, I, IV, V, II

Answer

I, IV, III, V, II

Answer

V, I, II, III, IV

Answer

III, II, IV, V, I

Question 22

Paul conducted an experiment using the following substances: sand and water, stones and water, and salt and water. Which of the following substances do you think will dissolve in the water first?

Accepted Answer

salt

Answer

sand

Answer

stones

Answer

none of the above

Question 23

What method is used to separate fine sand from rocks in the mixture of sand and gravel?

Accepted Answer

sieving

Answer

condensation

Answer

decantation

Answer

evaporation

Question 24

What separation technique is used to separate heavier and lighter components of a mixture by wind or by blowing air?

Accepted Answer

winnowing

Answer

evaporation

Answer

filtration

Answer

sieving

Question 25

What method is used to separate solid from a liquid extract?

Accepted Answer

filtration

Answer

decantation

Answer

evaporation

Answer

sieving

Question 26

What can be obtained if we place the sea water under the sun?

Accepted Answer

salt

Answer

powder

Answer

water

Answer

salty water

Question 27

What product can be made from the empty sea shells?

Accepted Answer

curtains

Answer

basket

Answer

blouse

Answer

slippers

Question 28

What way of separating mixtures is done when you separate the vegetables that you do not eat from a bowl of garden salad?

Accepted Answer

picking

Answer

decantation

Answer

filtration

Answer

sedimentation

Question 29

How can you remove the pieces of hulls mixed in white rice?

Accepted Answer

by winnowing

Answer

by boiling

Answer

by filtering

Answer

by scooping

Question 30

How will you separate mixture of paper clips and chalk powder?

Accepted Answer

by using magnet

Answer

by winnowing

Answer

by evaporation

Answer

by decantation

Question 31

Which situation below shows benefit of separating mixtures through sedimentation?

Accepted Answer

the water is purified after sometime

Answer

sludge deposited in the river bed

Answer

sediments clogs drainage and river

Answer

breeding place of aquatic animals are covered with eroded soil

Question 32

You want to fry a fish for dinner. Before cooking, you noticed that the oil has water. What will you do to separate the mixture of oil and water?

Accepted Answer

Use separating funnel to separate the mixture

Answer

Heat the mixture.

Answer

Put the mixture in the freezer.

Answer

Transfer the mixture to another container.

Question 33

Leah wants to separate mixtures of cornstarch from the small stones that she will be using in making maja blanca. How will she separate it?

Accepted Answer

She will use a strainer.

Answer

She will use a sifter.

Answer

She will blow the mixture.

Answer

She will transfer the mixture to a bowl.

Question 34

The following are the distinguishing characteristic of a mixture that can be separated using a funnel EXCEPT one?

Accepted Answer

The two liquids of a mixture have the same densities.

Answer

The substances are insoluble.

Answer

The substances are immiscible.

Answer

The two liquids of a mixture have different densities.

Question 35

Vangie saw that the flour her mother used for baking has paper clips and thumbtacks. She immediately got a magnet to separate the mixture. Which of the statements below explain how the mixtures are separated?

Accepted Answer

Paper clips and thumbtacks are attracted to the magnet.

Answer

The flour reacted to the magnet.

Answer

The flour is attracted to the magnet.

Answer

There is a chemical reaction between the magnets and the mixtures.

Question 36

What separation technique will you use to extract dried tea leaves from hot water? Explain why you use such technique?

Accepted Answer

Filtration because it is a mixture of solid and liquid.

Answer

Sedimentation because the mixture is immiscible.

Answer

Evaporation because the substances are solid and liquid.

Answer

Decantation because the tea leaves will settle at the bottom.

Question 37

How can separation of mixture beneficial to our lives?

Accepted Answer

Separating mixtures are done to make substances more useful in our daily lives.

Answer

It is beneficial because it makes the work done easily.

Answer

It is beneficial because it helps us decide in our everyday activity.

Answer

Separating mixtures are done to make us strong in facing difficult situations.

Question 38

The family of Juvy lives near the ocean. Their major source of income is making salted fish or daing/bulad. After washing and putting some salt on the fish, what did they do to finish the making of salted fish?

Accepted Answer

Place it under the sun.

Answer

Put it in the freezer.

Answer

Hide it in the dark corner.

Answer

Wrap it with newspaper tightly.

Question 39

How can separating mixtures using funnel, be useful in everyday life?

Accepted Answer

it helps us to make our everyday living more efficient and easier

Answer

its just an ordinary technique

Answer

it helps us to become more productive

Answer

it gives us satisfaction in our everyday living

Question 40

Joy poured small amount of seawater into a container and left it under the sun in the morning. In the late afternoon, she observed some white substances in the container. What happened to the seawater in the container?

Accepted Answer

Water and salt separated through the process of evaporation.

Answer

Water and salt separated because of the wind.

Answer

Somebody decanted the water, the white substances remained.

Answer

Somebody filtered the water; the white substances are the residue.

Question 41

Recycling is the practice of reusing items that would either be discarded as waste. Why is it important to recycle the waste of separated materials?

Accepted Answer

to reduce the use of raw materials that would have been used

Answer

so that we can breathe fresh air

Answer

so that all animals can live harmoniously

Answer

to reduce the microorganism that are harmful to the environment

Question 42

Your project in Science is to create a scrapbook out from the waste of separated materials. Arrange the steps of creating an attractive scrapbook.

Accepted Answer

II, I, IV, III

Answer

I, IV, II, III

Answer

II, IV, I, III

Answer

I, II, III, IV

Standardized 1st Quarterly Exam in Science VI

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