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Class 5 Exam  >  Class 5 Tests  >  Test - Experiments With Water MCQ - 2 - Class 5 MCQ

Test - Experiments With Water MCQ - 2 - Class 5 MCQ


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10 Questions MCQ Test - Test - Experiments With Water MCQ - 2

Test - Experiments With Water MCQ - 2 for Class 5 2024 is part of Class 5 preparation. The Test - Experiments With Water MCQ - 2 questions and answers have been prepared according to the Class 5 exam syllabus.The Test - Experiments With Water MCQ - 2 MCQs are made for Class 5 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test - Experiments With Water MCQ - 2 below.
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Test - Experiments With Water MCQ - 2 - Question 1
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Ayesha puts an ice cube on a plate and leaves it on the kitchen counter. What will happen to the ice cube over time?

Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 1
When Ayesha leaves the ice cube on the plate, it will gradually melt due to the warmer temperature of the kitchen counter. Melting is the process where solid ice turns into liquid water as it absorbs heat from its surroundings. Therefore, the ice cube will become a puddle of water on the plate.
Test - Experiments With Water MCQ - 2 - Question 2
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Which is the fastest way to dissolve sugar in water?

Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 2

Hot water dissolves sugar quickly.

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Test - Experiments With Water MCQ - 2 - Question 3
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Why does a slice of lemon sink in a glass of water?

Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 3
A slice of lemon sinks in water because it is denser than water. The lemon slice is made up of materials that are heavier compared to the amount of water it can displace (move aside). Therefore, the lemon slice cannot stay afloat and sinks to the bottom of the glass.
Test - Experiments With Water MCQ - 2 - Question 4
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When sugar is dissolved in water, why is it not visible?
Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 4
Why is sugar not visible when dissolved in water?

  • Sugar particles have filled empty spaces between water particles: When sugar is dissolved in water, the sugar particles spread out and mix with the water molecules. The sugar molecules are small and transparent, making them difficult to see with the naked eye.

Test - Experiments With Water MCQ - 2 - Question 5
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Which of the following statements explains evaporation?
Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 5
Explanation of Evaporation:

  • Definition: Evaporation is the process by which a liquid changes into a gas or vapor without reaching its boiling point.


  • When wet clothes dry: This statement explains evaporation because when wet clothes are hung out to dry, the water on the clothes evaporates into the air, leaving the clothes dry.

Test - Experiments With Water MCQ - 2 - Question 6
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Choose the odd one out
Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 6

Oil is insoluble in water

Test - Experiments With Water MCQ - 2 - Question 7
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A drop of which of the following substances will move faster if we put it on a steel plate or on the lid of tiffin?
Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 7

Water will move faster because it is lighter compared to others.

Test - Experiments With Water MCQ - 2 - Question 8
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How will you separate salt from water?
Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 8

Evaporation will evaporate all the water and only salt is left behind.

Test - Experiments With Water MCQ - 2 - Question 9
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Why does an inflated balloon filled with air float in water?
Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 9
An inflated balloon filled with air floats in water because the air inside the balloon is less dense than water. When the balloon is placed in water, it displaces a volume of water that weighs more than the balloon itself. This difference in weight creates a buoyant force that keeps the balloon floating.
Test - Experiments With Water MCQ - 2 - Question 10
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Ayesha's friend mixes oil and vinegar together in a bowl to make salad dressing. What will most likely happen when she stops stirring the mixture?
Detailed Solution for Test - Experiments With Water MCQ - 2 - Question 10
Oil and vinegar do not mix together because they have different chemical properties. Oil is non-polar and vinegar is polar, so they form separate layers when mixed. When Ayesha's friend stops stirring the mixture, the oil and vinegar will gradually separate into distinct layers again due to their immiscibility. This separation is a natural characteristic of oil and vinegar salad dressings.
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