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UPSC NDA and NA Chemistry Quiz 5

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UPSC NDA and NA Chemistry Quiz 5

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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 5 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. 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
2. Which of the following non- metal exists in liquid state at room temperature?
    A. Bromine B. Mercury C. Aluminium D. Iodine

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

Answer: Option C
4. 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
5. 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
6. 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
7. Which of the following is true about isotopes?
    A. Same number of protons and neutrons B. Same number of protons but different number of neutrons C. Same number of electrons and neutrons D. None of the above

Answer: Option B
8. Which of the following is a non renewable source of energy?
    A. Air B. Sunlight C. Coal D. Water

Answer: Option C
9. A flame contains three parts- black, yellow and blue. Which of these three is the hottest?
    A. Black B. Blue C. Yellow D. All have the same temperature

Answer: Option B
10. Kryolite is an ore of which of the following metal?
    A. Aluminium B. Tin C. Silver D. Lead

Answer: Option A
11. Which one of the following metals is less reactive than hydrogen?
    A. Barium B. Copper C. Lead D. Magnesium

Answer: Option B
12. Which one of the following substances is made from natural raw materials?
    A. Rayon B. Nylon C. Polyester D. Polystyrene

Answer: Option A
13. An a-particle consists of which of the following?
    A. 2 protons and 2 neutrons B. 1 proton and 1 electron C. 2 protons and 4 neutrons D. 1 proton and 1 neutron

Answer: Option A
14. Which one of the following is involved for desalination of seawater?
    A. Reverse osmosis B. Simple osmosis C. Use of sodium aluminum silicate as zeolite D. Use of ion selective electrodes

Answer: Option A
15. Which of the following is a displacement reaction?
    A. C + O2 → CO2 B. FeSo4 → Fe2O3 + SO2 + SO3 C. Fe + CuSO4 → FeSO4 + Cu D. H2 + O2 → H2O

Answer: Option C

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