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Atoms and Molecules

Atoms and Molecules MCQ Chapter 3 Class 9 Science

by Amit

Atoms and Molecules MCQ/Objective questions Chapter 3 Class 9 Science

Tags Atoms and Molecules, science class 9, Science Class 9 MCQ 2 Comments

7. What is the mass of 1 mole of nitrogen atoms

by Amit

7. What is the mass of—(a) 1 mole of nitrogen atoms? (b) 4 moles of aluminium atoms (Atomic mass of aluminium= 27)? (c) 10 moles of sodium sulphite (Na2SO3)?

Tags Atoms and Molecules, Atoms and Molecules Solution, science class 9, Sciencel class 9 exercise solution Leave a comment

6. Calculate the molar mass of the following substances.

by Amit

6. Calculation of atomic masses of molecules (a) Ethyne, C2H2(b) Sulphur molecule, S8(c) Phosphorus molecule, P4 (Atomic mass of phosphorus= 31)(d) Hydrochloric acid, HCl(e) Nitric acid, HNO3.

Tags Atoms and Molecules, Atoms and Molecules Solution, science class 9, Sciencel class 9 exercise solution Leave a comment

4. Write the chemical formulae of the following

by Amit

4. Write the chemical formulae of the following. 5. Give the names of the elements present in the following compounds.

Tags Atoms and Molecules, Atoms and Molecules Solution, science class 9, Sciencel class 9 exercise solution Leave a comment
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MCQ Class 11 Biology

  • The Living World MCQ
  • Biological Classification MCQ
  • Plant Kingdom MCQ
  • Animal Kingdom MCQ
  • Morphology of Flowering Plants MCQ
  • Anatomy of Flowering Plants MCQ
  • Structural Organisation in Animals MCQ
  • Cell The Unit of Life MCQ

MCQ Class 10

  • Our Environment MCQ
  • Sources of Energy MCQ
  • Heredity and Evolution MCQ
  • Chemical reactions and equations MCQ
  • Life Processes MCQ
  • Life Processes MCQ2
  • Control and Coordination MCQ
  • How Do Organisms Reproduce MCQ

MCQ Class 9

  • Matter in Our Surroundings MCQ
  • Atoms and Molecules MCQ
  • Diversity in Living Organisms MCQ.
  • Natural Resources MCQ.
  • Tissues Class 9 MCQ
  • The Fundamental Unit of Life MCQ
  • Why do we fall ill MCQ

MCQ Class 8

  • Crop Production and Management MCQ
  • Microorganisms Friend or Foe MCQ
  • Materials: Metals and Non-metals MCQ

 

 

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