Assertion : Cu+2 salts give blue bead in oxidising flame and brown red bead in reducing flame.
Reason : Cu+2 salts form copper metaborate in oxidising flame and copper in reducing flame.
(A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(B) Both Assertion and Reason are true but Reason is not correct explanation of Assertion
(C) Assertion is true but Reason is false
(D) Assertion is false but Reason is true