Question no 1808 SSC CGL Tier 1 Genral Awareness Questions and Answers Free Online Mock Test 44

SSC CGL Tier 1 :: GA Test 44

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1 .

The most abundant element in the earth crust is –

[ A ] Silicon
[ B ] Calcium
[ C ] Oxygen
[ D ] Nitrogen

Answer : Option C

Explanation :

Most abundant element – On Earth= Fe, $O_2$ , Si, mg ......
In Air= $N_2$ , $O_2$ , Ar.......
In Earth's Crust= $O_2$ , Si, Al, Fe...........

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