रसायन विज्ञान ज्ञान परीक्षण - रसायन विज्ञान के महत्वप

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Questions and Answers

What is chemistry?

  • The scientific study of the properties and behavior of matter (correct)
  • The study of atmospheric changes
  • The study of medication production
  • The study of plants and their growth

What does chemistry study in terms of matter composition?

  • Atmospheric changes
  • Plants and their growth
  • Chemical elements, atoms, molecules, and ions (correct)
  • Medication production

Which scientific disciplines does chemistry provide a foundation for understanding?

  • Botany and cosmochemistry
  • Geology and ecology
  • Physics and biology (correct)
  • Pharmacology and environmental science

In what ways does chemistry explain aspects of other scientific disciplines?

<p>Plant growth, formation of igneous rocks, atmospheric ozone formation, and medication function (C)</p> Signup and view all the answers

Why is chemistry sometimes referred to as the central science?

<p>It provides a foundation for understanding basic and applied scientific disciplines (A)</p> Signup and view all the answers

In the given examples, which one demonstrates an arithmetic progression?

<p>The lengths of the rungs of a ladder decreasing uniformly (D)</p> Signup and view all the answers

What is the annual increment in Reena's salary?

<p>` 500 (D)</p> Signup and view all the answers

How much does the bottom rung of the ladder decrease in length from the 2nd rung?

<p>2 cm (C)</p> Signup and view all the answers

What is the length of the 6th rung of the ladder?

<p>37 cm (D)</p> Signup and view all the answers

Which of the following does NOT demonstrate an arithmetic progression?

<p>The maturity amount of an investment increasing by 5 times after every 3 years (A)</p> Signup and view all the answers

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