alleryOxygen forms what share of the earth's crust by mass?
A16.6 per cent
B46.6 per cent
C26.6 per cent
D66.6 per cent
Answer & Solution
Correct answer: B. 46.6 per cent
1. Oxygen is the most abundant element on earth.
2. Almost half the crust is made of it.
3. The figure is 46.6 per cent by mass.
_Source: syllabus Chemistry, Chapter 7, The p-Block Elements._
Keep practising p-Block Elements
Browse all p-Block Elements questions for CBSE Class 12 (Science), or explore more Chemistry topics.
Related questions
Roasting a sulfide ore until nearly all sulfur is removed gives which result?Magnetic roasting turns non-magnetic Fe2O3 into which magnetic oxide?Which roasting type heats ore in excess air and is the most common?Materials added in smelting to bind unwanted impurities are called what?Which substance is added to copper matte smelting to form a separate iron slag?In copper matte smelting, which molten layer floats on top?In electrolytic refining of copper, selenium and tellurium settle as what?Blister copper gets its name from the escape of which gas as it cools?