Importance of Chemistry in Meeting Human Needs
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Questions and Answers

What is the main role of chemistry in meeting the needs of humanity?

  • Providing an abundant supply of basic needs (correct)
  • Preventing and fighting diseases
  • Investigating molecules
  • Producing new and better products

In what ways do solids differ from liquids?

  • Liquids have fixed shapes and volumes
  • Solids have fixed volumes but flow
  • Solids flow to assume the shape of their containers
  • Solids have fixed shapes and volumes (correct)

How do liquids behave in terms of shape and volume?

  • They have variable shapes but fixed volumes
  • They have variable shapes and volumes
  • They have fixed shapes but variable volumes (correct)
  • They have fixed shapes and volumes

What is the fundamental aspect that chemistry investigates?

<p>The interaction of molecules (D)</p> Signup and view all the answers

What do the industrial applications of chemistry directly impact?

<p>Our daily lives (D)</p> Signup and view all the answers

How does chemistry contribute to solving future problems according to the text?

<p>By providing safe drinking water (D)</p> Signup and view all the answers

Which phase of matter is characterized by strong atomic bonding and high viscosity?

<p>Solids (A)</p> Signup and view all the answers

What type of atomic arrangement characterizes most solids?

<p>Three-dimensional periodic (C)</p> Signup and view all the answers

Which phase of matter has properties intermediate between solids and gases?

<p>Liquids (A)</p> Signup and view all the answers

In what phase do gases expand to fill any available space?

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

Which aspect of a system is chosen for studying changes that take place within it in response to varying conditions?

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

What is the term used for portions of a system that are physically distinct and mechanically separable from other portions?

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

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