Chemistry Questions for RRB NTPC Set-2 PDF

Chemistry Questions for RRB NTPC Set-2 PDF

Download RRB NTPC Chemistry Questions and Answers  Set-2 PDF. Top 15 RRB NTPC Chemistry questions based on asked questions in previous exam papers very important for the Railway NTPC exam.

Download Chemistry Questions for RRB NTPC Set-2 PDF

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Question 1: Which element’s position couldn’t be explained in the Mendeleev’s Periodic Table?

a) Sulphur

b) Oxygen

c) Hydrogen

d) Nitrogen

Question 2: Which is the Doberiener triad that also exist in the column of Newlands’ Octaves?

a) Calcium, magnesium, strontium

b) Lithium, sodium & potassium

c) Galllium, scandium & titanium

d) No triad exist in Newlands’ Octaves column

Question 3: An element with atomic number 20 belongs to?

a) d-block

b) p-block

c) s-block

d) f-block

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Question 4: _________ solution is used to treat dehydration

a) Hypotonic

b) Isotonic

c) Royal water

d) Hypertonic

Question 5: Which method is used to obtain ultra-pure metals?

a) Van Arkel method

b) Zone Refining method

c) Both A and B

d) Pooling method

Question 6: Which chemical compound is used in respiratory equipment’s to produce oxygen and remove water vapour and carbon dioxide?

a) Potassium nitrate

b) Potassium peroxide

c) Potassium sulphate

d) Potassium superoxide

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Question 7: Who invented the periodic table?

a) Marie Curie

b) Dmitri Mendeleev

c) Antoine Lavoisier

d) Louis Pasteur

Question 8: The chemical name of ……………….. is calcium sulphate hemihydrate.

a) Baking powder

b) Gypsum

c) Baking soda

d) Plaster of Paris

Question 9: In which of the following classifications are the elements arranged in the order of their increasing atomic number?

a) The Modern Periodic Table

b) Mendeleev’s Periodic Table

c) Newland’s Law of Octaves

d) Dobereiner’s Triads

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Question 10: In Modern Periodic Table, there is an anomaly when it comes to the position of…….. because it can be placed either in group 1 or group 17 in the first period.

a) He

b) H

c) Li

d) Be

Question 11: Reduction involves

a) Loss of electrons

b) Gain of neutrons

c) Gain of electrons

d) None of the above

Question 12: Name the gas which is added to the domestic LPG cylinder to detect the gas leakage?

a) Chlorine

b) Thioethanol

c) Nitrogen

d) Tetraethyl

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Question 13: The integrated chips used in computers are made up of?

a) Zinc

b) Aluminium

c) Copper

d) Silicon

Question 14: Mass number gives_______of an atom

a) number of protons only

b) number of electrons only

c) number of protons and neutrons

d) number of electrons and protons

Question 15: The only non-metal which shows the property of luster is?

a) Mercury

b) Iodine

c) Bromine

d) Graphite

 

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Answers & Solutions:

1) Answer (C)

2) Answer (B)

3) Answer (C)

4) Answer (B)

5) Answer (A)

6) Answer (D)

7) Answer (B)

8) Answer (D)

9) Answer (A)

10) Answer (B)

11) Answer (C)

12) Answer (B)

13) Answer (D)

14) Answer (C)

15) Answer (B)

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We hope this Chemistry Questions Set-2 for RRB NTPC Exam will be highly useful for your Preparation.