6 Questions
What is the shape of a methane (CH4) molecule?
Tetrahedral
What is the SI unit of gravitational force?
Newton
Which scientist proposed the Law of Conservation of Mass?
Antoine Lavoisier
What is the molecular mass of carbon dioxide (CO2)?
44 u
Which of the following is not a postulate of Dalton's atomic theory?
Atoms are divisible into smaller particles.
What is the value of the universal gravitational constant (G)?
6.674 x 10^-11 N m^2/kg^2
Test your knowledge of Class 9 NCERT topics "Atom and Molecules" and "Gravitation" with this quiz. Answer questions about the shape of a methane molecule, the SI unit of gravitational force, and the scientist who proposed the Law of Conservation of Mass. See how well you remember these important concepts from your science class.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
