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Science: Scientific Enquiry and States of Matter

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Science: Scientific Enquiry and States of Matter

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Questions and Answers

What is a sign that a new substance is created during a chemical change?

Change of state

Change of shape

Change of color (correct)

Change of size

What is the process of turning a liquid into a gas called?

Melting

Condensation

Freezing

Boiling (correct)

Which of the following is an irreversible physical change?

Mixing salt in water

Ripping paper

Burning wood (correct)

Melting ice into water

Which state of matter has a fixed shape and is almost impossible to compress?

Solids Signup and view all the answers

In the process of dissolving sugar in water, what is considered the solvent?

Water Signup and view all the answers

What is the name of the temperature at which a liquid turns into a gas?

Boiling point Signup and view all the answers

Why are chemical changes always irreversible?

A new substance is created Signup and view all the answers

Which physical change is reversible?

Melting ice cream Signup and view all the answers

What happens to the speed of dissolving sugar in water as the temperature increases?

It increases Signup and view all the answers

Which process slowly turns a gas into a liquid?

Condensation Signup and view all the answers