Assertion (A): magnesium is not present ...

Assertion (A): magnesium is not present in enamel of human teeth.
Reason (R ): Magnesium is an essential elements for biological functions of human beings.

If both assertion and reason are true and the reason is the correct explanation of the assertion.

If both assertion and reason are true but reason is not the correct explanation of the assertion

If assertion is true but reason is false.

If assertion is false but reason is true.

Verified by Experts

The correct Answer is:

Both are facts. Calcium is present in enamel of teeth.

S BLOCK ELEMENTS ( GROUP 13 - 14)
A2Z|Exercise Section D - Chapter End Test|29 Videos
S BLOCK ELEMENTS ( GROUP 13 - 14)
A2Z|Exercise AIIMS Questions|23 Videos
REDOX REACTIONS
A2Z|Exercise Section D - Chapter End Test|29 Videos
SOME BASIC CONCEPTS OF CHEMISTRY
A2Z|Exercise Section D - Chapter End Test|30 Videos

Assertion: Mg is not present in enamel of human teeth. Reason : Mg is an essential element for biological functions of human

If both assertion and reason are true and the reason is the correct explanation of the assertion

If both assertion and reason are true but reason is nto the correct exaplation of the assertion

If assertion is true but reason is false

If the assertion and reason both are false

If both assertion and reason are true, and reason is the true explanation of the assertion.

If both assertion and reason are true, but reason is not the true explanation of the assertion.

If assertion is true, but reason is false

If both assertion and reason are false.

If both `(A)` and `(R )` are correct and `(R )` is the correct explanation of `(A)`.

If both `(A)` and `(R )` are correct, but `(R )` is not the correct explanation of `(A)`.

If `(A)` is correct, but `(R )` is incorrect.

If `(A)` is incrrect, but `(R )` is correct.