Q1_Summative Test 3
Quiz by Jennifer P. Ognita
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- Q1
A vinegar mixed with soy sauce is a homogeneous mixture because:
you can only see the dark color of soy sauce
the mixture appears one or uniform
the mixtures did not mix well
you can easily identify its components
30s - Q2
Your mother prepared pinakbet for lunch. How will you describe its ingredients?
It is a homogeneous mixture because it was evenly mixed.
It is a heterogeneous mixture because of its uniformity.
It is a homogeneous mixture because it is not uniform.
It is a heterogeneous mixture because its components are visible.
30s - Q3
Choose the letter of the correct answer. Homogeneous mixture is one of its classification.
Which is the following is a homogeneous mixture.
pebbles
oil and water
seawater
mixed nuts
30s - Q4
Why is Homogeneous mixture also known as uniform mixture?
Because it has different substances in the mixture
Because more phases can be seen in the mixture
Because only one phase can be seen in the mixture
Because the mixture can be separated
30s - Q5
What type of mixture is suspension?
Solid in solid
Homogenous
Heterogeneous
Gas in gas
30s - Q6
Filtration removes the impurities in a mixture using a filterpaper or a piece ofcloth. Which mixture will require the use offiltration method?
sand and pebbles
water and oil
sorting different seeds
separating calamansi extract from its seeds
30s - Q7
Separating mixtures give us different useful products such as salt from seawater. Which of the following method is commonly used to obtain salt from seawater?
decantation
filtration
evaporation
use of magnets
30s - Q8
Your mother asked you to cook rice for dinner. You observe the small stones in the rice grains. Which of the following methods will you use to separate the small stones from the grains of rice easily?
winnowing
decantation
handpicking
filtration
30s - Q9
Your science teacher showed in class a bowl of fruit and vegetables salad. Your classmate examined the mixture and was able to distinguish fruits from vegetables. What type of mixture was presented by your teacher?
colloid
heterogeneous
solution
homogeneous
30s - Q10
Your brother accidentally mixed the iron filings and salt. Which ofthe following ways will he do to recover the iron filings from the mixture?
He will use a magnet to get the iron filings.
He will filter the mixture.
He will use decantation.
He will use evaporation
30s - Q11
The different methods of separating mixtures are very helpful in our daily lives. Which of the following methods use a sieve to separate the finer materials from the bigger components of themixture?
distillation
evaporation
decantation
sieving
30s - Q12
During summer season, children love to spend their time swimming in the pool. We cannot avoid impurities like leaves to mix with the water in the pool. Which of the following technique is best used in removing the leaves from the swimming pool
filtration
evaporation
decantation
distillation
30s - Q13
Separating mixtures can be done through different ways. Which of the following mixtures is best to be separated through handpicking?
oil and vinegar
salt and mongo seeds
nails and pins
yellow and green mangoes
30s - Q14
Rock salt is taken from the seawater. How do we separate it fromwater? You canseparate it by
pouring the water off
using a magnet
decanting it
evaporating the water
30s - Q15
Mixtures are separated through different ways. Which of the following techniques is best used to separate soil from water?
decantation
evaporation
distillation
filtration
30s