| Assertion: Potassium can be used in lassaigne test. |
| Reason: Potassium reacts vigorously. [AIIMS 1997] |
| Read the assertion and reason carefully to mark the correct option out of the options given below: |
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: A
Solution :
[e] In lassaigne test potassium cannot be used in place of sodium as potassium reacts vigorously and its use causes explosion.
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