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UPSC NDA and NA Chemistry Quiz 4

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UPSC NDA and NA Chemistry Quiz 4

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Chemistry is a very important subject for Railway Recruitment exams and UPSC Exams. UPSC NDA and NA Prelims Exam is the combination of Mathematics and General Ability. Chemistry is one of the most important topics in the General Ability section. All these questions are easily understandable format. UPSC NDA and NA Chemistry Quiz 4 is very useful to get the maximum marks from the General Ability sections. Candidates can check the daily updates at UPSC Official Website

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Paper Mode Subject Marks Duration
Paper-I Mathematics 200 Marks 2 hours
Paper-II General Ability 200 Marks 2 hours
UPSC NDA and NA Syllabus

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1. What conversion of state happens during sublimation?
    A. Solid to gaseous B. Liquid to solid C. Gaseous to solid D. Liquid to solid

Answer: Option A
2. Isotones are atoms of different elements having a same number of ________?
    A. Protons B. Electrons C. Neutrons D. Protons and neutrons

Answer: Option C
3. Who is the father of Periodic table?
    A. Lavoisier B. Mendeleev C. Avogadro D. Newkand

Answer: Option B
4. Which of the following is not a popular use of HCl(Hydrochloric Acid)?
    A. Bathroom cleaner B. Dying and textile industry C. Pickling agent D. Manufacturing of alum

Answer: Option D
5. Which of the following is a polymer of chloroethene?
    A. Polyvinyl chloride (PVC) B. Nylon C. Terylene D. Polystyrene

Answer: Option A
6. Which of the following is the lowest layer of the atmosphere?
    A. Stratosphere B. Troposphere C. Mesosphere D. Exosphere

Answer: Option B
7. Which of the following is the most used semiconductor?
    A. Silicon B. Lead C. Aluminum D. Nickel

Answer: Option A
8. Which of the following is not an ore of aluminium?
    A. Bauxite B. Feldspar C. Cryolite D. Dolomite

Answer: Option D
9. Which of the following does not form an acidic oxide?
    A. Fluorine B. Sulphur C. Carbon D. Sodium

Answer: Option D
10. In the conversion of glucose to ethyl alcohol, which of the following enzyme is used?
    A. Zymase B. Invertase C. Lipase D. Maltase

Answer: Option A
11. Which of the following is present in the nucleus of an atom?
    A. Electrons and protons B. Electrons and neutrons C. Protons and neutrons D. Protons only

Answer: Option C
12. Hard water consists of carbonates of which of the following metals?
    A. Calcium and magnesium B. Sodium and magnesium C. Arsenic and sodium D. Magnesium and arsenic

Answer: Option A
13. We hear a hissing sound when coca-cola is opened. What is the gas responsible for this?
    A. Sulphur dioxide B. Oxygen C. Carbon dioxide D. Nitrogen

Answer: Option C
14. Isotherms are lines displaying?
    A. Equal pressure B. Equal temperature C. Equal volume D. None of the above

Answer: Option B
15. When acid is added to the indicator- methyl orange, what is the color observed?
    A. Green B. Blue C. Red D. Yellow

Answer: Option C

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