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UPSC NDA Chemistry Quiz | General Science

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UPSC NDA Chemistry Quiz | General Science

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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 3 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. Which of the following is the most abundant element on earth?
    A. Oxygen B. Aluminium C. iron D. silicon

Answer: Option C
2. Silver bromide, when kept in sunlight, undergoes a change in color. What is the color formed?
    A. Grey B. Black C. Brown D. Yellow

Answer: Option B
3. What happens when hydrochloric acid is added to iron filings?
    A. Chlorine gas and iron hydroxide are produced B. No reaction C. Hydrogen gas and iron chloride are produced D. Iron salt and water are produced

Answer: Option C
4. Which of the following metals is present in hemoglobin?
    A. Magnesium B. Iron C. Nickel D. Cobalt

Answer: Option B
5. Bakelite is a polymer that is used in the manufacturing of buckets and electrical switches. What are the monomers of bakelite?
    A. Phenol and formaldehyde B. 1, 3 butadiene and styrene C. Ethylene glycol and terephtalic acid D. Chloroprene

Answer: Option A
6. Silver chloride in the presence of sunlight turns into a specific color. What is that color?
    A. Black B. Blue C. Grey D. Red

Answer: Option C
7. Which gas is added in a bag of chips to prevent its oxidation?
    A. Carbon dioxide B. Nitrogen C. Helium D. Ammonia

Answer: Option B
8. Which of the following statements is true?
    A. Reduction is the removal of hydrogen B. Oxidation is the removal of hydrogen C. Reduction is the addition of oxygen D. Oxidation is the addition of hydrogen

Answer: Option B
9. What is the PH range of our body?
    A. 7-7.8 B. 6-7 C. 8-9 D. 9-10

Answer: Option A
10. 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
11. Which of the following non- metal exists in liquid state at room temperature?
    A. Bromine B. Mercury C. Aluminium D. Iodine

Answer: Option A
12. The number of electrons present in Carbon is?
    A. 4 B. 2 C. 6 D. 12

Answer: Option C
13. Which of the following are the components of aqua – regia?
    A. Nitric acid and sulphuric acid B. Hydrochloric acid and sulphuric acid C. Nitric acid and hydrochloric acid D. None of the above

Answer: Option C
14. Which of the following metals is placed at the bottom of the reactivity series?
    A. Gold B. Potassium C. Mercury D. Iron

Answer: Option A
15. With increase in impurities, the boiling point of water _________?
    A. Increases B. Decreases C. Remains same D. Depends on other factors such as temperature, pressure

Answer: Option A
Q1. Who invented the periodic table?
    A. Faraday B. Mendeleev C. Newton D. Bohr Answer: B

Q2. The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of element which is kept in 4th row and 4th period?
    A. 24 B. 20 C. 22 D. 12 Answer: C

Q3. The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1 group and the 4 period?
    A. 21 B. 17 C. 19 D. 9 Answer: C

Q4. Which among the following elements has highest electronegativity?
    A. Gallium B. Sodium C. Arsenic D. Caesium Answer: B

Q5. Which of the following elements has the lowest melting point?
    A. Platinum B. Carbon C. Cobalt D. Krypton Answer: D

Q6. Radioactive elements emit:
    A. Radiowaves B. Infrared Waves C. Ultraviolet waves D. α, β and γ radiations Answer: D

Q7. When we goes from left to right in periodic table, Electro-negativity ____ and when we goes from top to bottom it _____.
    A. Decreases, Decreases B. Increases, Increases C. Decreases, Increases D. Increases, Decreases Answer: D

Q8. What is the common characteristic of the elements of the same group in the periodic table?
    A. Electrons in outer most shell B. Total number of electrons C. Total number of protons D. Atomic weight Answer: A

Q9. Which elements groups are known as ferromagnetic metals?
    A. Iron, steel, cobalt B. Iron, nickel, cobalt C. Iron , nickel, silica D. Iron, alumina, steel Answer: B

Q10. Which of these elements in periodic table are also called semi-metals?
    A. Metals B. Non Metals C. Metalloids D. Gases Answer: C

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