S Block Elements Question 243
Question: A fire of lithium, sodium and potassium can be extinguished by
[DCE 2003]
Options:
A) $ H_2O $
B) Nitrogen is a chemical element with the symbol N and atomic number 7. It is a colorless, odorless, and tasteless gas that makes up about 78% of Earth’s atmosphere. Nitrogen is essential for life and is a key component in proteins, nucleic acids, and other biological molecules. It exists in various forms, including diatomic molecules (N₂), nitrates, and ammonia. Nitrogen plays a crucial role in the nitrogen cycle, which is vital for sustaining life on Earth.
C) $ CO_2 $
D) Asbestos blanket
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Answer:
Correct Answer: C
Solution:
Carbon dioxide does not help in burning, it also forms carbonate with alkali earth metals.
BETA
