SET 17 – General Science Questions and Answers
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SET 17 – General Science Questions with Answers – In this section very important science related gk questions and answers have been published Here the students are studying and preparing for various competitive exams.
SET 17 – General Science GK Quiz for Competitive Examination
1. Noble’s oil is:
A. Fire extinguisher
B. Insecticide
C. Explosive
D. Detergent
2. What is ∆E for a system that does 500 cal of work on the surroundings when 300 cal of heat are absorbed by the system?
A. –200 cal
B. +200 cal
C. +700 cal
D. –700 cal
3. Which of the following metals is commonly used in photoelectric cells:
A. Na
B. Li
C. Cs
D. Mg
4. Cesium oxide is expected to be:
A. Acidic
B. Weakly basic
C. Amphoteric
D. Very strongly basic
5. Correct order of allotropism is:
A. Si > C > Sn
B. N > P > As
C. C > Si > Ge
D. None of these
6. Which is not correct statement about aniline?
A. Aniline gives litmus test
B. It can be steam distillated
C. It is primary amine
D. It is more basic than acetanilide
7. Chromium is obtained by reducing purified chromite ore with:
A. Red Hot Coke
B. Gaseous hydrogen
C. Aluminum Powder
D. Carbon Monoxide
8. Ethanol containing some methanol is called:
A. Absolute spirit
B. Rectified spirit
C. Methylated spirit
D. Power alcohol
9. The entropy of a spontaneous reaction is always:
A. Negative
B. Positive
C. Zero
D. Either positive or negative
10. Which of the following process used in coagulation of Lyophilic sol:
A. Electro phorasis
B. Addition of other solvent
C. Addition of opposite charge partical
D. None of these
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