NCERT Class 11 Chapter 3 Chemistry Classification of Elements and Periodicity in Properties MCQ | Questions & Answers

NCERT Class 11 Chapter 3 Chemistry Classification of Elements and Periodicity in Properties MCQ | Questions & Answers: Searching for a website that could help you take an online Multiple Choice Questions Quiz on NCERT Class 11 Chapter 3 Chemistry Classification of Elements and Periodicity in Properties topic? then here is the perfect article for you. After attempting the quiz don’t forget to check out the result you have scored.

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1. Periodic classification of elements is used to examine the

2. Cl, Br, I, if this is Dobereiner’s triad and the atomic masses of Cl and I are 35.5 and 127 respectively the atomic mass of Br is

3. If the two members of a Dobereiner triad are phosphorus and antimony, the third member of this triad is

4. The law of triads is applicable to a group of

5. In 1800, only _____X _____ elements were known. Here, X refers to

6. Johann Doberiner gave the idea of trends among physical and ...X... of several groups of three elements. Here, X refers to

7. Which of the following is the correct set of elements to Dobereiner’s triads ?

8. On which of the following Dobereiner’s Triad law is not applicable?

9. Newlands could classify elements only upto

10. According to Newlands theory, when elements are arranged in the order of increasing atomic weight which number element had similar properties to the first element.