Third period element that initially reacts rapidly with oxygen to form a protective oxide coating that prevents further reactions is
Answer: Al
Explanation
Aluminum (Al) reacts with oxygen to form a thin protective oxide layer (Al₂O₃) that prevents further oxidation.
This is why it doesn’t react aggressively with oxygen after this initial reaction.
This question appeared in
Past Papers (3 times)
MDCAT Past Papers and Syllabus (1 times)
University of Agriculture UAF Past Papers and Syllabus (2 times)
This question appeared in
Subjects (2 times)
EVERYDAY SCIENCE (2 times)
Related MCQs
- Aluminium burns in oxygen to form Aluminium oxide with a brilliant _____?
- In the process of burning a candle, the wax reacts with oxygen to produce ______?
- Methane is reacts with oxygen molecule to give product of water and carbon dioxide, it is characterized as _____?
- When 4 g of magnesium was heated in excess of oxygen. Calculate the theoretical yield of magnesium oxide (MgO).
- Grignard's reagent reacts with CO₂ to form?
- Ethyl alcohol reacts with SOCl₂ to form?
- Denitrification to nitric oxide and nitrous oxide is accomplished by ________?
- Ozone reacts vigorously with alkenes to form ozonides. This process is known as _____?
- When glycerol reacts with fatty acid, which type of chemical bond will form?
- Which type of vitamin prevents various skin diseases, keeps the nervous system healthy and prevents Beriberi; a disease which drains energy?
