1.

Assertion (A) : Smoke consists of unburnt electrically charged carbon articles dispersed in waste gases. But the smoke coming out from the chimney of the factory is free from carbon particles. Reason (R): The smoke is passed through the charged plates before allowing it to escape out of the chimney, when the charged particles of carbon get discharged.

Answer»

Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is FALSE
A is false but R is true

Answer :A


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