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

21. What is the unit of Stress?

[A] N/m
[B] Kg/m
[C] Nm
[D] It has no units

Show Answer

22. What is the maximum stress after which the wire breaks called as?

[A] Tensile strength
[B] Shear strength
[C] Bulk strength
[D] Hooke’s strength

Show Answer

23. 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

Show Answer

24. Which among the following acids is generally used as a first hand test to judge whether a metal is Gold or not?

[A] Sulfuric Acid
[B] Nitric Acid
[C] Hydrochloric Acid
[D] Sulfurous Acid

Show Answer

25. What happens to the non-metallic character of elements in the p-block of the periodic table?

[A] non-metallic character decreases down the group
[B] non-metallic character increases down the group
[C] No fix pattern
[D] None

Show Answer

26. What is the general outer electron configuration of Group 13 elements?

[A] ns2 np2
[B] ns2
[C] ns2 np1
[D] ns2 np3

Show Answer

27. Which of these is NOT an allotropic form of carbon?

[A] Diamond
[B] Graphite
[C] Fullerene
[D] None of the above

Show Answer

28. Which of the following alkaline earth metals is the rarest in the earth crust?

[A] Calcium
[B] Strontium
[C] Radium
[D] Beryllium

Show Answer

29. What is water gas?

[A] mixture of CO and H2
[B] mixture of CO and H2O
[C] mixture of CO2 and H2
[D] Carbon mono-oxide

Show Answer

30. Which of the following catalyst is used generally during the hydrogenation of Alkenes?

[A] Platinum
[B] Palladium
[C] Nickel
[D] All of the above

Show Answer


Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...