ESS
Grade-7
Easy
Question
Assertion (A): The sea water is salty.
Reason (R): The sea water consists of many dissolved salts.
- Both A and R are true, and R is the correct explanation for A.
- Both A and R are true, but R is not the correct explanation for A.
- A is true, but R is false.
- A is false, but R is true.
Hint:
The seawater is salty as it has dissolved sodium and chloride ions.
The correct answer is: Both A and R are true, and R is the correct explanation for A.
- Seawater consists of sodium and chloride as major minerals.
- These ions are dissolved in the seawater.
- The sodium and chloride ions dissolved in the seawater make them salty.
Related Questions to study
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Condensation of water vapor occurs after ___________.
A. Leaving a glass of ice on the table
B. Heating an open beaker in the water
C. Leaving a cup of water by the window
D. Breathing on a mirror
Select the correct option.
Condensation of water vapor occurs after ___________.
A. Leaving a glass of ice on the table
B. Heating an open beaker in the water
C. Leaving a cup of water by the window
D. Breathing on a mirror
Select the correct option.
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The given image is of ___________.
The given image is of ___________.
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The energy to drive the water cycle comes from __________.
The energy to drive the water cycle comes from __________.
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__________ is the largest reservoir within the water cycle.
__________ is the largest reservoir within the water cycle.
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The amount of water on the planet _____________.
The amount of water on the planet _____________.
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If different stages of the water cycle are indicated as below:
‘A’ is for rain, ‘B’ for evaporation of water, ‘C’ for water present in rivers and lakes, and ‘D’ for the formation of clouds.
If we take B as the initial step in the water cycle, then what is the correct arrangement of letters A, B, C, and D to represent the water cycle?
If different stages of the water cycle are indicated as below:
‘A’ is for rain, ‘B’ for evaporation of water, ‘C’ for water present in rivers and lakes, and ‘D’ for the formation of clouds.
If we take B as the initial step in the water cycle, then what is the correct arrangement of letters A, B, C, and D to represent the water cycle?
ESSGrade-7
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The name of the process ‘A’ and ‘C’ is ______________.
The name of the process ‘A’ and ‘C’ is ______________.
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The formation of clouds takes place ____________.
The formation of clouds takes place ____________.
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On a humid day, when we step out of an air-conditioned car, our spectacles become foggy, and we can't see clearly. This occurs as a result of a process known as ___________.
On a humid day, when we step out of an air-conditioned car, our spectacles become foggy, and we can't see clearly. This occurs as a result of a process known as ___________.
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Which of the following processes helps dry clothes in the sunlight?
Which of the following processes helps dry clothes in the sunlight?
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What are X, Y, and Z in the given diagram?
What are X, Y, and Z in the given diagram?
ESSGrade-7
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Water cycle refers to the ______________.
Water cycle refers to the ______________.
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We feel cool after we start sweating because of ________________.
We feel cool after we start sweating because of ________________.
ESSGrade-7
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The given image is of ________________.
The given image is of ________________.
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Which of the following does not belong to the water cycle?
Which of the following does not belong to the water cycle?
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