SCIENCE_Q1_WRITTEN WORK 5 (POST TEST)
Quiz by Jennifer P. Ognita
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- Q1
Read each question carefully . Choose the correct answer.
Filtration removes the impurities in a mixture using a filter paper or a piece of cloth. Which mixture will require the use of filtration method?
sand and pebbles
water and oil
sorting different seeds
separating calamansi extract from its seeds
30sSC6-1-d1 - Q2
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?
evaporation
use of magnets
decantation
filtration
30sSC6-1-d1 - Q3
Solution is a combination of liquid and soluble solid. How will you get the salt from a solution?
extract the solution
heat and evaporate the solution
pick the salt from the solution
filter the solution
30sSC6-1-d1 - Q4
Separating mixtures can be done through different ways. Which of the following mixtures is best to be separated through hand picking?
salt and mongo seeds
decantation
nails and pins
yellow and green mangoes
30sSC6-1-d1 - Q5
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?
distillation
decantation
filtration
evaporation
30sSC6-1-d1 - Q6
Rock salt is taken from the seawater. How do we separate it from water? You can separate it by ______
evaporating the water
decanting it
pouring the water off
using a magnet
30sSC6-1-d1 - Q7
Why is filtration not applicable in separating the components of a liquid solution?
Components of liquid solutions are very small; thus, they can pass through the filter.
Liquid solutions do not require filtration in separating their components.
Filtration is not for separating solutions
Filtration cannot filter liquid components
30sSC6-1-d1 - Q8
Your brother accidentally mixed the iron filings and salt. Which of the following ways will he do to recover the iron filings from the mixture?
He will filter the mixture
He will use decantation.
He will use evaporation
He will use a magnet to get the iron filings.
30sSC6-1-d1 - Q9
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 the mixture?
decantation
distillation
evaporation
sieving
30sSC6-1-d1 - Q10
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?
filtration
winnowing
handpicking
decantation
30sSC6-1-d1