are aluminium, oxygen and silicon. The correct order of their abundance is" class="read-more button" href="https://exam.pscnotes.com/mcq/the-three-abundant-elements-in-the-earths-crust-are-aluminium-oxygen-and-silicon-the-correct-order-of-their-abundance-is/#more-53232">Detailed SolutionThe three abundant elements in the earth’s crust are aluminium, oxygen and silicon. The correct order of their abundance is
class="read-more button" href="https://exam.pscnotes.com/mcq/most-commonly-used-bleaching-agent-is/#more-53123">Detailed SolutionMost commonly used bleaching agent is
button" href="https://exam.pscnotes.com/mcq/what-is-the-density-of-population-in-chandigarh/#more-53109">Detailed SolutionWhat is the density of population in Chandigarh?
was" class="read-more button" href="https://exam.pscnotes.com/mcq/the-host-of-first-olympics-in-1896-was/#more-53081">Detailed SolutionThe host of first Olympics in 1896 was