Reversible and Irreversible Reactions

When chemicals join together to make new chemicals, __________________ takes place.

Steel _______________ is an example of CHEMICAL REACTION.

Choose 3 items that undergoes rusting.

• railway rails

• iron or steel parts

• bicycles

• wood

What type of reactions can able to change products back to the their original form?

• Reversible reactions

• Irreversible reactions

• Combustion reactions

• Combination reactions

Which of the following changes is irreversible change?

• Melting of ice cube

• Heating hydrated CuSO₄

• Frying an egg

• Thermal decomposing NH₄Cl

Burning of candle wax is a ________change

Burning of paper is a _______________ change

• Reversible change

• Irreversible change

Tags

NGSS.MS-PS1-2

Melting of butter is a _______________ change

• Reversible change

• Irreversible change

Tags

NGSS.MS-PS1-4

Rusting of iron is a _______________ change

• Reversible change

• Irreversible change

Tags

NGSS.MS-PS1-2

Melting of ice is a _______________ change

• Reversible change

• Irreversible change

Tags

NGSS.MS-PS1-4