Skip to content
No results
Menu
  • Home
  • Question Bank
    • NEET UG
      • Physics
      • Biology
      • Chemistry
    • JEE Main
    • JEE Advanced
    • Foundation
  • PYQ
    • NEET PYQ
    • JEE Main PYQ
  • Mock Tests
  • Notes
  • Courses
  • About

Looking for classes? Ksquare Career Institute, Bengaluru →

Ksquare Study
  • Home
  • Question Bank
    • NEET UG
      • Physics
      • Biology
      • Chemistry
    • JEE Main
    • JEE Advanced
    • Foundation
  • PYQ
    • NEET PYQ
    • JEE Main PYQ
  • Mock Tests
  • Notes
  • Courses
  • About
Login
Ksquare Study
Login
Skip to main content

Some Basic Concepts of Chemistry

  • Dalton's Atomic Theory
  • Mole Concept and Atomicity
  • Stoichiometry of Acid-Base Neutralisation
  • Techniques of Purification of Solids
  • Mole Concept and Avogadro Number
  • Empirical Formula from Percentage Composition
  • Stoichiometry and Percentage Purity
  • Empirical and Molecular Formula
  • Mole Concept
  • Stoichiometry
  • Stoichiometry of gaseous reactions (Boudouard reaction: $CO_2 + C \rightarrow 2CO$)
  • Molarity calculations
  • Mole concept and Avogadro's number
  • Determination of Avogadro's number
  • Significant figures
  • Molarity and molality
  • Rounding off significant figures
All Exams › NEET Previous Year Questions › Chemistry › Some Basic Concepts of Chemistry › Rounding off significant figures

Rounding off significant figures

1 Questions
1 Papers Covered
5% Weightage
Start Practice → Browse Questions

All Questions

2026 Re-NEET 1 question

  1. The numbers 17.0145 and 21.0235 were rounded to three figures after the decimal point. The resulting numbers, respectively, are
Ksquare Career Institute

A free NEET and JEE question bank by Ksquare Career Institute, led by IITian Er. Keshav Krishna — chapterwise questions, previous year papers and mock tests, every one with a worked solution.

Looking for live classes? Ksquare Career Institute, Bengaluru →
Download app Telegram WhatsApp channel

Practice

  • NEET UG
  • JEE Main
  • JEE Advanced
  • Foundation
  • All chapters

Free resources

  • NEET previous year questions
  • JEE Main previous year questions
  • Free NEET mock test
  • Free JEE mock test
  • Chapter notes
  • Leaderboard

Platform

  • About
  • Coaching
  • Contact
  • My dashboard
  • Log in
  • Create an account

At the institute

  • NEET courses
  • JEE courses
  • Foundation (Class 7–10)
  • Free study material

Ksquare Building, Kodigehalli, Bangalore – 560067

support@ksquareinstitute.in

+91 70089 39883 · +91 63616 29870

Spotted a wrong answer? Use the report link under any question.

© 2026 Ksquare Career Institute. All rights reserved.

Privacy Terms Disclaimer ksquareinstitute.in