IIT – JEE Main-XI – Mathematics 2017-04-18T04:54:28+00:00

Mathematics - IIT – JEE Main-XI

Demo Lectures of Mathematics - IIT – JEE Main-XI

NCERT Solutions for Class 9 Science Chapter 3 – Atoms and Molecules

By | November 2nd, 2018|Categories: NCERT Solution For Class 9 Science|Tags: , , |

Atom Atoms are the smallest particles of an element which can take reaction. Size of an atom: Atomic radius is measured in nanometres. Atomic radii of hydrogen atom = 1 × 10–10 m. Molecule It is the [...]

NCERT Solutions for Class 9 Science Chapter 2 – Is Matter Around Us Pure

By | November 2nd, 2018|Categories: NCERT Solution For Class 9 Science|Tags: , , , |

Pure Substances Pure substances may be defined as material which contains only one kind of atoms s or molecules. The measure of whether a substance is pure is known as purity. Elements and compounds are pure [...]

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