CBSE Class 10 Science Chapter 5 Periodic Classification of Elements Multiple Choice Questions with Answers. MCQ Class 10 Science Periodic Classification of Elements with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Periodic Classification of Elements MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 6
Question 1:
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.
(e) Both A and R are false.
Correct Answer – (C)
Question 2 :
Which of the following is most reactive
(a) Li
(b) H
(c) Na
(d) K
Correct Answer – (D)
Question 3 :
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
Correct Answer – (C)
Question 4 :
Up to which element, the Law of Octaves was found to be applicable:
(a) Oxygen
(b) Calcium
(c) Cobalt
(d) Potassium
Correct Answer – (B)
Question 5 :
Nitrogen and phosphorus belong to the group 15 of the periodic table. Which of these will be more electro negative?
(a) Phosphorus
(b) Both are equally electro negative
(c) Nitrogen
(d) None of these
Correct Answer – (C)
Question 6 :
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
Correct Answer – (B)
Question 7 :
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
Correct Answer – (B)
Question 8 :
Chlorine (17) belongs to which group and period
(a) 7, 3
(b) 17, 3
(c) 1, 3
(d) 16, 3
Correct Answer – (B)
Question 9 :
Which one of the following elements exhibit the maximum number of valence electrons?
(a) Na
(b) Al
(c) Si
(d) P
Correct Answer – (D)
Question 10 :
Question 35.
The elements of group 16 are called
(a) Chalcogens
(b) Halogens
(c) Pnicogens
(d) Noble gases
Correct Answer – (A)
- NCERT Solutions Class 10 Science Chapter 1 : Chemical Reactions and Equation
- NCERT Solutions Class 10 Science Chapter 2 : Acids, Bases & Salts
- NCERT Solutions Class 10 Science Chapter 3 : Metals and Non-metals
- NCERT Solutions Class 10 Science Chapter 4 : Carbon And Its Compounds
- NCERT Solutions Class 10 Science Chapter 5 : Periodic Classification of Elements
- NCERT Solutions Class 10 Science Chapter 6 : Life Processes
- NCERT Solutions Class 10 Science Textbook Download
