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 the exams like MHT-CET, NEET, JEE (Mains), 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.
- Questions on Some Basic Concepts of Chemistry Class 11
- Plus Two Chemistry Previous Year Questions and Answers
- Some Basic Concepts of Chemistry Extra Questions
JEE Mains Chemistry Solutions for Students
The stable oxidation state of actinides is :
Option b – +3
The symbol of the element californium is :
Option c – Cf
Which of the following is a major rivers in Bangladesh which is also the main distributary of the Ganges?
(D) PadmaShow Answer
The most characteristic oxidation state of lanthanides is :
(D) none of these
Option b – +3
Name the three lanthanides which show a +2 oxidation state also :
(A) Sm, Tb, Gd
(B) Sm, Eu, Yb
(C) La, Gd, Lu
(D) Yb, Pm, Sm
Option b – Sm, Eu, Yb
Which of the following is the leading producer of rice?
(D) CubaShow Answer
The elements from cerium (At. No. 58) to lutetium (At. No. 71) in which 4f energy levels are filled up are called :
(B) rare earth
(D) all the above
Option d – all the above
The actinides showing a +7 oxidation state are :
(A) U, Np
(B) Pu, Am
(C) Np, Pu
(D) None of these
Option c – Np, Pu
The maximum oxidation state shown by actinides is :
Option b – +7
Which of the following is a lanthanide :
Option d – Gd
Also, check out: