Science NCERT Solutions for Class 9 Science - PowerPoint PPT Presentation

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Science NCERT Solutions for Class 9 Science

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NCERT Solutions for Class 9 Science can be found on the Extramarks app and the website. The app has solutions for all the textbook questions that can help the students become thorough with the chapters and the questions. The app can be a good and reliable learning tool for students. Download the Extramarks app and get a trial period of 7days free of charge. – PowerPoint PPT presentation

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Title: Science NCERT Solutions for Class 9 Science


1
Is Matter Around Us Pure CBSE Class 9
2
Is Matter Around Us Pure
  • Matter is anything that occupies the space and
    has certain mass. Matter can be impure or pure.
    Impure matter is a mixture of many pure
    substances. Mixture contains more than one kind
    of pure form of matter in which their
    constituents do not lose their identity.
  • Suspension is a type of heterogeneous mixture.
    Colloid is a type heterogeneous mixture with a
    dispersed phase and a dispersion medium. Their
    particle size is more than the 1 nanometer but
    particles cannot be seen with naked eye. These
    particles can scatter light.
  • The components of a mixture can be separated by
    various physical methods that include
    evaporation, sublimation, separating funnel
    method etc. Evaporation is used to separate a
    volatile component from a non-volatile component.
    Sublimation is used to separate a sublimable
    volatile component from a non-sublimable
    component. Separating funnel method is used to
    separate two immiscible liquids from their
    mixture.

3
Extramarks Approach
  • NCERT Solutions for Class 9 Science can be found
    on the Extramarks app and the website. The app
    has solutions for all the textbook questions that
    can help the students become thorough with the
    chapters and the questions. The app can be a good
    and reliable learning tool for students. Download
    the Extramarks app and get a trial period of
    7days free of charge.
  • For more information visit and register at
    Extramarks website.
  • https//www.extramarks.com/study-material/icse-c
    lass-9/economics

4
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