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Chemistry CBSE Live product
Class 10 (2026-27)
Metals and non-metals
Annual Revision I
3.
A&R - Reactivity of metals
Question:
1
m.
Give
the
best
answer for the given assertion and reason:
Assertion (A)
Magnesium ribbon burns with a dazzling white flame
Reason (R)
Magnesium reacts with oxygen in air to form magnesium oxide
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
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