Question

When calcium burns in presence of oxygen it produces -

(1)Yellow flame

(2)Brick red flame

(3)Violet flame

(4)None of these

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Answer 1

Answer:

brick red flame is the correct answer i think..

Explanation:

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Answer 2

Answer:

(1)Yellow flame,

The metal reacts slowly with oxygen, water vapour, and nitrogen of the air to form a yellow coating of the oxide, hydroxide, and nitride. It burns in air or pure oxygen to form the oxide and reacts rapidly with warm water (and more slowly with cold water) to produce hydrogen gas and calcium hydroxide.