Quick Quiz
Questions ▼
NCERT Solutions for Class 10 Science Chapter 5. We covered all the NCERT Solutions for Class 10 Science Chapter 5 in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in exams like SSC CGL, CHSL, JE, MTS, Stenographer, CPO, Railway Group-D, NTPC, ALP, JE, RPF, Tech, Bank, Delhi Police Constable, UP Lekhpal, DSSSB, DDA ASO, BPSC Teaching, Defence, UPSSSC, UPSC (Pre), UPP, SI, UPTET, UPPCS, BPSC, BSSC, SBI, IBPS, LIC, State PCS, CDS, NDA, Assistant Commandant, and other Competitive Examinations, etc.
We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
- Periodic Table Questions for NEET
- Periodic Table Notes for NEET
- Classification of Elements and Periodicity in Properties NEET Questions
MCQ on NCERT Solutions for Class 10 Science Chapter 5
In the modern periodic table, which of the following is not placed in a clearly defined position?
(a) Transition elements
(b) Noble gases
(c) Inner transition elements
(d) Halogens
Option c – Inner transition elements
The elements with atomic numbers 9, 17, 35, 53, and 85 are classified as
(a) Alkali metals
(c) Halogens
(d) Noble gases
Option c – Halogens
Examine the following statements: (i) Metals are located on the right side of the periodic table. (ii) Elements P, S, and O belong to the same period. Which of these is/are true?
(a) Only (i)
(b) Only (ii)
(c) Both (i) and (ii)
(d) Neither (i) nor (ii)
Option d – Neither (i) nor (ii)
Which group of elements meets the following criteria? (i) All are metals (ii) Many form coloured ions and show variable valency and paramagnetic behaviour (iii) Frequently function as catalysts
(a) Chalcogens
(b) Transition metals
(c) Inner transition elements
(d) Main group elements
Option b – Transition metals
Assess these statements: (i) Silicon, germanium, and arsenic are known as metalloids. (ii) Metalloids exhibit characteristics that differ from both metals and non-metals. Which is/are correct?
(a) Only (i)
(b) Only (ii)
(c) Both (i) and (ii)
(d) Neither (i) nor (ii)
Option c – Both (i) and (ii)
The experimental work that confirmed the significance of atomic number in organizing the periodic table was
(a) Millikan’s oil drop experiment
(b) Mosley’s X-ray spectra studies
(c) Bragg’s X-ray diffraction analysis
(d) Discovery of X-rays by Röntgen
Option b – Mosley’s X-ray spectra studies
Evaluate the following statements: (i) The introduction of inert gases did not disrupt Mendeleev’s periodic arrangement. (ii) The modern periodic table is based on repeating patterns in electron configurations. Which one(s) is/are accurate?
(a) Only (i)
(b) Only (ii)
(c) Both (i) and (ii)
(d) Neither (i) nor (ii)
Option c – Both (i) and (ii)
Consider these statements regarding trends in the periodic table: 1. Ionization energy steadily decreases across a period. 2. In a group, electron affinity reduces as atomic weight increases. 3. Electronegativity decreases with rising atomic number in a period.
Which of these is/are correct?
(a) Only 1
(b) Only 2
(c) 1 and 3
(d) 2 and 3
Option b – Only 2
Choose the correct sequence for the discoveries of these scientists: Dobereiner, Newlands, Chancourtois, and Mendeleev
(a) Chancourtois, Dobereiner, Newlands, Mendeleev
(b) Dobereiner, Chancourtois, Newlands, Mendeleev
(c) Dobereiner, Newlands, Chancourtois, Mendeleev
(d) Chancourtois, Newlands, Dobereiner, Mendeleev
Option b – Dobereiner, Chancourtois, Newlands, Mendeleev
Which of the following statements about the modern periodic table is incorrect? (i) Elements are arranged in decreasing atomic number (ii) Elements are arranged by increasing atomic mass (iii) Isotopes are placed in adjacent groups (iv) Elements are arranged by increasing atomic number
(a) Only (i)
(b) (i), (ii), and (iii)
(c) (i), (ii), and (iv)
(d) Only (iv)
Option b – (i), (ii), and (iii)
The elements with atomic numbers 2, 10, 18, 36, 54, and 86 fall under the category of
(a) Halogens
(b) Noble gases
(c) Precious metals
Option b – Noble gases
Which property varies depending on the valency of an element?
(a) Atomic weight
(b) Equivalent weight
(c) Molecular weight
(d) Density
Option b – Equivalent weight
Elements in the same group of the periodic table typically
(a) Display similar chemical properties
(b) Have consecutive atomic numbers
(c) Are isobars
(d) Are isotopes
Option a – Display similar chemical properties
Which of these is not a periodic trend observed across the periodic table?
(a) Atomic size
(b) Valency
(c) Radioactivity
(d) Electronegativity
Option c – Radioactivity
Identify the correct order of increasing electronegativity for the common oxidation states of the following elements:
(a) F < O < N < C
(b) C < N < C < F
(c) C < N < F < O
(d) C < N < O < F
Option d – C < N < O < F
What is the accurate ascending order of atomic radii among Na, Si, Al, and P?
(a) Si, Al, P, Na
(b) Al, Si, P, Na
(c) P, Si, Al, Na
(d) Al, P, Si, Na
Option c – P, Si, Al, Na
Based on Mendeleev’s classification, hydrogen’s electron configuration (1s¹) resembles that of alkali metals like Li, Na, and K. However, like halogens, hydrogen forms diatomic molecules. Therefore, hydrogen can be grouped with
(a) Alkali metals
(b) Halogens
(c) Both (a) and (b)
(d) None of these
Option c – Both (a) and (b)
Four elements A, B, C, and D have the same number of electrons in their outermost shell. Their melting points are 458 K, 370 K, 525 K, and 245 K respectively. Arrange them by increasing atomic number.
(a) A < B < C < D
(b) C < A < B < D
(c) D < C < A < B
(d) B < D < A < C
Option b – C < A < B < D
Which elements are typically found in the mineral pitchblende?
(a) Actinium and protactinium
(b) Neptunium and plutonium
(c) Only actinium
(d) Both (a) and (b)
Option d – Both (a) and (b)
Identify the incorrect statement(s): (i) Ionization energy is measured in kJ/mol (ii) Ionization energy is always positive (iii) The second ionization energy is lower than the third
(a) Only (ii)
(b) Only (iii)
(c) Both (ii) and (iii)
(d) None of these
Option b – Only (iii)
Which of the following statements is false?
(a) Higher nuclear charge leads to greater electron affinity
(b) Nitrogen has zero electron affinity
(c) Electron affinity decreases from fluorine to iodine within Group 17
(d) Chlorine has the highest electron affinity
Option c – Electron affinity decreases from fluorine to iodine within Group 17
Which of the following is a pure element?
(a) Topaz
(b) Diamond
(c) Ruby
(d) Sapphire
Option b – Diamond
Which of these properties typically decrease across a period?
(a) Atomic radius
(b) Non-metallic nature
(c) Metallic character
(d) Both (a) and (c)
Option d – Both (a) and (c)
We covered all the ncert solutions for class 10 science chapter 5 above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
