Quiz on the Law of Conservation of Mass

Who discovered the Law of Conservation of Mass?

• Isaac Newton

• Antoine Lavoisier

• Albert Einstein

• Marie Curie

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In what type of system does the Law of Conservation of Mass apply?

• Open systems

• Closed systems

• Isolated systems

• Dynamic systems

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What is mass?

• The weight of an object

• The volume of an object

• The amount of matter in an object

• The density of an object

How is mass measured?

• In liters or milliliters

• In grams or kilograms

• In meters or centimeters

• In seconds or minutes

What happens during a chemical reaction?

• Substances remain unchanged

• Substances change into new substances

• Substances disappear

• Substances are created from nothing

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Which of the following is an example of a chemical reaction?

• Melting ice

• Rusting of iron

• Boiling water

• Freezing water

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What is an example of a chemical reaction involving baking?

• Baking a cake

• Melting butter

• Mixing flour and water

• Chilling dough

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What can happen to mass in nuclear reactions?

• Mass can be created.

• Mass can be destroyed.

• Mass can be converted to energy.

• Mass can remain constant.

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What effect do very high-speed particles have on mass?

• Mass remains constant.

• Mass can change with velocity.

• Mass is destroyed.

• Mass is created.

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Are the effects of mass change in high-speed particles significant in everyday chemical reactions?

• Yes, they are significant.

• No, they are negligible.

• They are sometimes significant.

• They are always significant.

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