CBSE Class 9 Science Atomic Foundations of Matter (Class 9 NCERT New) Quiz 4

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CBSE › Class 9 › Science › Atomic Foundations of Matter (Class 9 NCERT New)

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1. Who proposed Law of constant proportion?

A John Dalton B Joseph L Proust C Lavoisier D Neil's Bohr

2. The Latin name of water is.....

A Oxy B Hello C Hydro D none of the above

3. The symbol of Gold is......

A G B Ag C Au D Go

4. Chemical formula of Sodium Carbonate.

A NaHCO3 B Na2CO3 C NaOH D Na2SO4

5. H2SO4 Is the chemical formula of......

A Hydrogen Chloride B Sulfuric acid C Nitric acid D Carbonic acid

6. Which of the following is NOT a rule for matter?

A All matter is made of atoms B Atoms bond to other atoms to form compounds C Atoms are on the macro scale D Atoms last forever

7. How is matter recycled in ecosystems?

A Matter can take on different forms as it goes through different processes. B Matter moves through ecosystems through biogeochemical cycles. C Matter is recycled as organisms in different trophic levels consume and finally when decomposers return matter to the ecosystem. D All of these are true.

8. Animals take in energy as __________ and convert it to ________, the energy cells can use.

A Fat, ADP B Fat, ATP C Glucose, ADP D Glucose, ATP

9. What is an element?

A A pure substance that cannot be broken down. B Two atoms bonded together. C Two or more different types of atoms bonded together. D An molecule with an unequal distribution of charge.

10. What are atoms composed of?

A Protons and electrons. B Protons, neutrons, and electrons. C Neutrons and electrons. D Ions, elements, and compounds.

Practice more on Atomic Foundations of Matter (Class 9 NCERT New)

Quiz 1 Quiz 2 Quiz 3 Quiz 4 Quiz 5 Quiz 6 Quiz 7 Quiz 8

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