Ncert Solutions Chemistry Class 12th

Which polymer has 'chiral' monomer(s)?

Out of following in which retention of configuration in product P will take place?

To an aqueous solution containing ions such as Al³⁺, Zn²⁺, Ca²⁺, Fe³⁺, Ni²⁺, Ba²⁺ and Cu²⁺ was added conc. HCl, followed by H₂S.
The total number of cations precipitated during this reaction is / are:

Hexagonal unit cell is made up by AB.AB . . . packing, then shortest distance between two identical layers (say AA) in a unit cell of edge length x, is

Kindly consider the following

The addition of silica during the extraction of copper from its sulphide ore

Correct reactivity order towards anhydrous ZnCl₂ + conc. HCl

Which one of the following set of elements can be detected using sodium fusion extract?

Given below are two statements :
Statement I: Penicillin is a bacteriostatic type antibiotic.
Statement II: The general structure of penicillin is:

Choose the correct option:

Ammonium salts on heating with slaked lime liberate a colourless gas (X). Identify the incorrect statement for gas (X).