Consider the following statements regarding burning of magnesium ribbon in air 1 White powder of MgO...........

General Science (CDS) Chemistry

Consider the following statements regarding burning of magnesium ribbon in air :

1. White powder of MgO is formed.

2. It is an example of combustion reaction.

3. Heat and light are produced.

Which of the statements given above are correct?

This questions was previously asked in

2023 CDS -1 GK

1 and 2 only

1 and 3 only

2 and 3 only

1, 2 and 3

- Statement 1: When magnesium ribbon burns in air, it reacts with oxygen to form magnesium oxide (\( \text{MgO} \)), which is a white powder.

- Statement 2: The burning of magnesium ribbon is a combustion reaction because it involves reaction with oxygen and releases energy.

- Statement 3: The reaction produces a bright white light and releases heat, showcasing the exothermic nature of combustion.

Option:1, 1 and 2 only - Incorrect as it misses statement 3.

Option:2, 1 and 3 only - Incorrect as it misses statement 2.

Option:3, 2 and 3 only - Incorrect as it misses statement 1.

Option:4, 1, 2 and 3 - All statements are correctly included.

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