Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.


Have an account? Sign In Now

You must login to ask question.


Forgot Password?

Need An Account, Sign Up Here

You must login to ask question.


Forgot Password?

Need An Account, Sign Up Here
Sign InSign Up

Discussion Forum

Discussion Forum Logo Discussion Forum Logo

Discussion Forum Navigation

  • Questions
  • NCERT Solutions
  • MCQ Online Test
  • हिंदी मीडियम
Search
Ask A Question

Mobile menu

Close
Ask a Question
  • Questions
  • NCERT Solutions
  • MCQ Online Test
  • हिंदी मीडियम

Kalyani

Ask Kalyani
0Followers
2Questions
Home/ Kalyani/Answers
  • About
  • Questions
  • Polls
  • Answers
  • Best Answers
  • Followed Questions
  • Favorite Questions
  • Groups
  1. Asked: December 11, 2021In: Class 10 Science

    The focal length of a concave mirror with radius of curvature 12 cm is

    Best Answer
    Kalyani
    Added an answer on December 13, 2021 at 3:54 am

    [D] - 6 cm Focal length f = - R/2 or -12/2 = -6 cm

    [D] – 6 cm
    Focal length
    f = – R/2
    or -12/2
    = -6 cm

    See less
    • 1
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  2. Asked: December 11, 2021In: Class 10 Science

    Where does aerobic respiration occur in a cell?

    Kalyani
    Added an answer on December 13, 2021 at 3:54 am

    [A] Mitochondria

    [A] Mitochondria

    See less
    • 1
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  3. Asked: December 11, 2021In: Class 10 Science

    Breathing is the process that brings oxygen in the air into your lungs and moves oxygen and through your body. It involves two processes- inhalation (breathing in) and exhalation (breathing out). Which is the correct sequence of air passage during inhalation?

    Kalyani
    Added an answer on December 13, 2021 at 3:54 am

    [D] Nostrils → pharynx → larynx → trachea → alveoli

    [D] Nostrils → pharynx → larynx → trachea → alveoli

    See less
    • 1
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  4. Asked: December 11, 2021In: Class 10 Science

    When aqueous sodium carbonate (Na₂CO₃) reacts with HCl (aq), it gives

    Kalyani
    Added an answer on December 13, 2021 at 3:54 am

    [B] NaCl, H₂O and CO₂

    [B] NaCl, H₂O and CO₂

    See less
    • 1
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  5. Asked: December 11, 2021In: Class 10 Science

    The given reaction shows: 3RSO₄ + 2Q → Q₂(SO₄)₃ + 3R

    Kalyani
    Added an answer on December 13, 2021 at 3:54 am

    [A] Q is more reactive than R

    [A] Q is more reactive than R

    See less
    • 1
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
1 2

Sidebar

Ask A Question

Subscribe

  • Popular
  • Answers
  • Mrinal Garg

    Which is the best website providing NCERT Solutions?

    • 118 Answers
  • Richa

    NCERT Books

    • 32 Answers
  • manishq1

    Where can I get NCERT books in PDF format?

    • 26 Answers
  • Richa

    NIOS

    • 15 Answers
  • Richa

    NCERT Solutions

    • 12 Answers
  • Jeyakumar JEYAKUMAR
    Jeyakumar JEYAKUMAR added an answer Laboratory thermometer is not suitable for measuring our body temperature… November 2, 2025 at 7:06 am
  • Piyush365
    Piyush365 added an answer Energy is essential for every aspect of life—industries, transportation, agriculture… November 1, 2025 at 3:57 am
  • Piyush365
    Piyush365 added an answer Minerals are the backbone of modern civilization and one of… November 1, 2025 at 3:57 am
  • Piyush365
    Piyush365 added an answer Democracy, as a system of government, is based on the… November 1, 2025 at 3:57 am
  • Piyush365
    Piyush365 added an answer Accountability lies at the heart of a democratic system. In… November 1, 2025 at 3:57 am

© 2025 Tiwari Academy. All Rights Reserved