MCQ Questions | Class 10 Science Chapter 5 | Periodic Classification of Elements with Answers

MCQ | Class 10 Science Chapter 5 | Periodic Classification of Elements Set C

Check the below NCERT MCQ Questions for Class 10 Science Chapter 5 Periodic Classification of Elements with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Periodic Classification of Elements Class 10 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | Science Class 10 Chapter 5

NCERT Solutions Class 10 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	10th
Subject:	Science
Chapter:	5
Chapters Name:	Periodic Classification of Elements
Medium:	English

Class 10th Science Book | Objective Type Questions

You can refer to NCERT Solutions for Class 10 Science Chapter 5 Periodic Classification of Elements to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Periodic Classification of Elements | Class 10 Science | NCERT Solutions

Q1.	Which of the following sets of elements do not belong to the same group?
	A. F, Cl, Br
	B. Na, K, Rb
	C. P, S, Cl
	D. C, Si, Ge

Ans: P, S, Cl

Q2.	What is the basis of long form of the periodic table?
	A. Atomic mass
	B. Atomic number
	C. Atomic size
	D. Metallic and Non-metallic character

Ans: Atomic number

Q3.	Which of the following is most reactive
	A. Li
	B. H
	C. Na
	D. K

Ans: K

Q4.	The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
	A. Metal
	B. Metalloid
	C. Non-metal
	D. Left-hand side element

Ans: Metalloid

Q5.	Assertion: There are 118 elements dis-covered so far. Reason: Sulphur (16) belongs to Group 16 and belongs to 3rd period.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: Both A and R are true but R is not the correct explanation of A.

Q6.	Assertion: K is more reactive than Na. Reason: K is smaller in size than Na.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: A is true but R is false.

Q7.	Assertion: Fluorine is more reactive than chlorine. Reason: Fluorine and chlorine belong to Group 17 called Halogen.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: Both A and R are true but R is not the correct explanation of A.

Q8.	Which of the following is most reactive
	A. Li
	B. H
	C. Na
	D. K

Ans: K

Q9.	What is the basis of long form of the periodic table?
	A. Atomic mass
	B. Atomic number
	C. Atomic size
	D. Metallic and Non-metallic character

Ans: Atomic number

Q10.	An element has an atomic number of 15 with which of the following elements will it show similar chemical properties.
	A. Be (4)
	B. Ne (10)
	C. N (7)
	D. O (8)