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Importance of Chemistry in Meeting Human Needs

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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?

The interaction of molecules Signup and view all the answers

What do the industrial applications of chemistry directly impact?

Our daily lives Signup and view all the answers

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

By providing safe drinking water Signup and view all the answers

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

Solids Signup and view all the answers

What type of atomic arrangement characterizes most solids?

Three-dimensional periodic Signup and view all the answers

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

Liquids Signup and view all the answers

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

Gases 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?

System 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?

Phases Signup and view all the answers