when magnesium ribbon is heated in bunsen flame it burns with yellow flame and white powder is formed because because burning of magnesium in air is a chemical change
a) observation is correct and reason is wrong
b) observation of strong reason is correct
c) observation and reason is correct
d) observation and reason is wrong
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Answer: b) observation is wrong and reason is correct
Explanation: magnesium ribbon burns with intense bright white light, and oxidises to form magnesium oxide, which is a chemical change.
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