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Chemistry · Ch 1 — Some Basic Concepts of Chemistry

NCERT Textbook Exercises -- Supplementary Data Tables

NCERT Textbook Exercises -- Supplementary Data Tables

Supplementary Data Tables for the NCERT Textbook Exercises

A handful of the chapter's end-of-chapter exercise questions come with their own data table printed as part of the question. Those exact tables are collected here for quick reference -- the full worked solution for each exercise lives on that exercise's own question page.

Exercise 1.9 -- Chlorine isotope data

Table unnumbered-table-ex1.9-chlorine-isotopesPercentage natural abundance and molar mass of chlorine-35 and chlorine-37, the data given for Exercise 1.9.
% Natural AbundanceMolar Mass
35Cl^{35}Cl75.7734.9689

Exercise 1.15 -- Prefixes to match with their multiples

Table unnumbered-table-ex1.15-prefixes-multiplesPrefixes (micro, deca, mega, giga, femto) to be matched with their correct multiples, the data given for Exercise 1.15.
PrefixesMultiples
(i) micro10610^6
(ii) deca10910^9
(iii) mega10−610^{-6}

Exercise 1.21 -- Dinitrogen and dioxygen compound data …

Table unnumbered-table-ex1.21-dinitrogen-dioxygenMass of dinitrogen and mass of dioxygen combining to form four different compounds, the data given for Exercise 1.21.
Mass of dinitrogenMass of dioxygen
(i)14 g16 g
(ii)14 g32 g
Table unnumbered-table-ex1.32-argon-isotopesIsotopic molar mass and abundance of the argon isotopes 36Ar, 38Ar, and 40Ar, the data given for Exercise 1.32.
IsotopeIsotopic molar massAbundance
36Ar^{36}Ar35.96755 g mol−135.96755\ g\ mol^{-1}0.337%
38Ar^{38}Ar37.96272 g mol−137.96272\ g\ mol^{-1}0.063%