ESS
Grade-7
Easy

Question

Assertion (A): The sea water is salty.
Reason (R): The sea water consists of many dissolved salts.

  1. Both A and R are true, and R is the correct explanation for A.
  2. Both A and R are true, but R is not the correct explanation for A.
  3. A is true, but R is false.
  4. A is false, but R is true.

hintHint:

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.

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