Most abundant mineral in the earth crust is______________________?

Related Mcqs:

1. The most abundant metal in the earth’s crust and toxic to plants in low concentration is____________________?

   A. Mo B. Al C. Fe D. All the above...

2. Which silica mineral is present in soil in abundant quantity____________________?

   A. Quartz B. Smectite C. Gypsum D. All the above...

3. The kaolininte is a layer silicate clay mineral, it is 1:1 type of mineral with___________________?

   A. 3-15 meq/100g CEC B. 40 meq/100g CEC C. 50 meq/100g CEC D. None of the above...

4. Fine-graned rocks formed on earth crust are called____________________?

   A. Intensive igneous rock B. Extrusive rock C. Sedimentary rock D. Plutonic...

5. Potassium (K) occurs as a constituent of the earth’s crust in the proportion of_________?

   A. 23 % B. 2.3 % C. 17 % D. 1.7 % Submitted by: Shafiq Rehman...

6. Oxygen and Silicon together comprise approximately ______ %of the earth crust?

   A. 64 % B. 79 % C. 75 % D. 73 % Submitted by: Shafiq Rehman...

7. The relative abundance of three types of rocks ( igneous-metamorphic- sedimentary) in the earth’s crust is_________?

   A. 12.5 % -12.5 % – 75% B. 64.7 % – 27.4 % – 7.9 % C. none of A & B D. 7.9% – 27.7 % – 64.4 Submitted by: Shafiq Rehman...

8. Which element is found highest in earth crust?

   A. Aluminum B. Silicon C. Sodium D. None of the above Submitted by: Shafiq Rehman...

9. Most abundant organic compound in nature?

   A. Cellulose B. Hemicellulose C. Lignin D. All of these Submitted by: Shafiq Rehman...

10. Formula used for the calculation of sodium absorption ratio is______________________?

    A. SAR=Na / [(Ca+Mg)1/2] Na x 2 B. SAR=Na / CEC x 100 C. SAR=Na / CEC x 100 D. None of these...