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Wood to ash, heat & light.
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∙ 7y ago
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What is the observable change of burning a log?
change in temperature, change in color,
What observable changes happens while burning a log?
it becomes black(change in color), change in size
Is burning a log a mixture?
Yes.
Is burning chocolate a physical or chemical change?
Yes, burning is a chemical change.
Is burning a match a physical change?
No, burning anything is a chemical change.
What is the observable change of burning a log?
change in temperature, change in color,
What is observable change of burning a log?
change in temperature, change in color,
What observable changes happens while burning a log?
it becomes black(change in color), change in size
What observable changes are in burning a log?
All its substance goes gone it turns to ashes so it's not wood anymore and it becomes Chemical Change
What observable changes are there in a burning log?
All its substance goes gone it turns to ashes so it's not wood anymore and it becomes Chemical Change
What is an observable change for burning alive?
The temperate
Is a burning log a mixture?
A log is a mixture regardless of whether it is burning.
Which is not a physical change hitting a log with an axe cutting a log burning a log or hammering a spike through a log?
Burning the log is a chemical change. All of the others are physical changes.
Is burning log chemical change?
Yes.
Why does burning a log in the fireplace involve a chemical reaction while sawing a log in half does not?
Because burning a log in a fireplace involves a chemical change and sawing a log in half only reguires a physical change.
Is burning logs a physical change?
No. Burning a log is a chemical change since the fire turns the wood into ash, water vapor, carbon dioxide, and elemental carbon.
Is burning a log a example of chemical or physical changes?
Although it has physical consequences, burning a log is a chemical change. The molecules of the log react with oxygen to form carbon dioxide, water steam, and many other products. A simple, fairly reliable test to tell the difference between physical and chemical changes is: Can the process be reversed rather easily? If the answer is yes, like dissolving salt in water, it is a physical change; if no, a chemical change.
