23 JEE Main 2021 s Block Elements previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 previous-year questions from the s Block Elements chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the s Block Elements chapter hub.
Among the following, number of metal/s which can be used as electrodes in the photoelectric cell is ___ . (Integer answ…
The major component/ingredient of Portland Cement is :
The number of water molecules in gypsum, dead burnt plaster and plaster of Paris, respectively are:
Given below are two statements: Statement I : Both CaCl 2 . 6 H 2 O and MgCl 2 . 8 H 2 O undergo dehydration on heating…
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A…
Number of amphoteric compounds among the following is (A) BeO (B) BaO (C) Be OH 2 (D) Sr OH 2
One of the by-products formed during the recovery of NH 3 from Solvay process is:
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A…
Choose the correct statement from the following :
Match List - I with List II : List-I List-II a Li i photoelectric cell b Na ii absorbent of CO 2 c K iii coolant in fas…
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.