General Science Chemistry MCQs

Chemistry Objective (Multiple Choice) General Knowledge Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examination

11. Kimberley Process” is related to which among the following ?

[A] Gold
[B] Diamonds
[C] Semi Precious Stones
[D] Aluminium

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12. Which among the following minerals is also known as Horn Silver?

[A] Silver Iodide
[B] Silver Chroride
[C] Zinc Phosphate
[D] Silver Sulphide

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13. What is the dimensional formula of Stress?

[A] M 1 L-2 T-2
[B] M 1 L-1 T-1
[C] M 1 L1 T-3
[D] M 1 L-1 T-2

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14. What do we call the strain produced in a body when the deforming force produces a change in its shape without changing its volume?

[A] Linear Strain
[B] Volumetric Strain
[C] Shearing strain
[D] Thermal Strain

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15. What is the ratio of normal stress to the volumetric strain within the elastic limits is called as?

[A] Bulk Modulus
[B] Young Modulus
[C] Modulus of Rigidity
[D] None of the above

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16. Which of the following statements about alkali metals is correct?

[A] lithium is the most powerful reducing agent
[B] Sodium is the least powerful reducing agent
[C] Both a and b
[D] None

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17. How many groups of p–block elements are there in the periodic table?

[A] 4
[B] 6
[C] 8
[D] 3

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18. Which of the following is correct about Acetylene?

[A] It is the popular name of ethyne
[B] It is the first stable member of alkyne series
[C] Both a and b
[D] None

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19. Which of the following represents the general formula for alkanes?

[A] CnH2n
[B] CnH2n-2
[C] CnH2n+2
[D] CnHn

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20. Which of the following elements have a compound named as Hydrogen peroxide?

[A] Hydrogen, Carbon and Oxygen
[B] Hydrogen only
[C] Hydrogen and Oxygen
[D] Hydrogen, Oxygen and Potassium

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