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Chemistry

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Myra Bradtke

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Cards in this guide (15)
Is silver tarnishing a physical or chemical change

It is a chemical change.

When milk turns sour is it a chemical or physical change

A chemical change.

Is there a chemical or physical change when a bicycle rusts in the rain

Rusting is a chemical change, as steel/iron turns into iron oxide.

Is wood being slit in two pieces phyiscal change or chemical change

It's physical

When citric acid and baking soda mix carbon dioxide is produced and the temperature decreases

As with any acid-base reaction, the temperature would increase and hydrogen gas would be produced.

Can you consider a chemical change souring a milk

Yes, the souring of milk is a chemical change.

Is water freezing to form a ice a chemical change

Water freezing is a physical change because the chemical composition of the water does not change.

Is burning coal for a barbecue physical or chemical change

burning of coal is chemical change

Is ice melting a chemical change or a phyiscal change

It is a physical change.

Is frying a egg a chemical change or a phyiscal change

A chemical change.

What is the process by which a chemical change and a new substance is formed with new properties

These are chemical reactions.

If you leave your bicycle in the rain what does it become

If you leave your bicycle in the rain it becomes a wet bicycle, or possibly a wet, rusty bicycle.

I hope that was the answer you were looking for.

Is trimming a bush a chemical or physical change

physical

If a sugar cube dissolves is it chemical change

Dissolution is a physical process.

Is it a chemical or physical change when a scientist break-up water into oxygen and hydrogen gas

This is a chemical process.

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