UPSC CDS 1 2023 GK Paper
© examsiri.com
Question : 31 of 120
Marks:
+1,
-0
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?
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?
Go to Question: