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Physical and Chemical Properties of Matter

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Physical and Chemical Properties of Matter

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Questions and Answers

Which of the following is an example of a physical property of matter?

Density (correct)

Reactivity with water

Combustion ability

Oxidation state

What happens to the chemical composition of a substance during a phase change?

It is destroyed

It changes fundamentally

It remains unchanged (correct)

It becomes a different substance

Which of the following processes is a physical change?

Ice melting (correct)

Fermentation of sugar

Baking a cake

Iron rusting

Which statement accurately describes chemical properties of matter?

They involve how a substance interacts chemically with other substances. Signup and view all the answers

What occurs when energy is added to a solid substance?

It may undergo a phase change, such as melting Signup and view all the answers

What property of a substance is defined by how it interacts with water to release ions?

pH Signup and view all the answers

Which of the following describes a chemical property of matter?

Reactivity with an acid Signup and view all the answers

Which of the following statements about physical properties is true?

They can change when a substance changes state. Signup and view all the answers

What happens to the atoms of a substance during a chemical change?

They rearrange into new combinations. Signup and view all the answers

Why is color considered a physical property?

It can be observed without changing the substance. Signup and view all the answers

Which factor influences the pH of a solution?

The concentration of H+ ions Signup and view all the answers

What occurs when sodium comes into contact with water?

It undergoes a chemical reaction. Signup and view all the answers

In which state do solids generally have the highest density?

Solid Signup and view all the answers

Which substance would be considered acidic based on pH measures?

Stomach acid with a pH of 2 Signup and view all the answers

What occurs when copper reacts with oxygen in the presence of water?

It oxidizes to form copper oxide. Signup and view all the answers