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What does it means for a substance to have a high reactivity?
Forms easily with other substances.
What substance is formed when magnesium burns in air?
Magnesium oxide
Why can highly reactive elements be dangerous?
Elements that are 'highly' reactive (as opposed to inert, such as a noble gas) are dangerous because they readily and easily create chemical reactions with other elements, potentially quickly altering a substance (including substances that make up a human body) and potentially explosively. They can cause burns, consume flesh, or explode if not safely handled.
Why do only some substance burn with flame?
a substance burns with a flame due to the presence of volatile substances in it
A biodegradable substance is?
A biodegradable substance is a substance which can easily decompose in the nature without harming or polluting it. :)
A measure of how easily a substance burns?
centergrade
When a substance burns what does it do with oxygen?
A combustible substance will burn easily when on fire, A flammable substance can easily catch fire.
Does kerosene burn easily?
Yes. It has a low flash point, and a low ignition point.
What does it means for a substance to have a high reactivity?
Forms easily with other substances.
When a substance burns is matter destroyed?
true
What substance releases energy when it burns?
all
What is the measure of how easily a substance will burnor combine?
what is the measure of how easily a substance will burn or combine
What is wrong with using a piece of paper to light a Bunsen?
Nothing much. I suppose it is very crude and because paper burns quickly and easily it can be dangerous. Better use a match.
When magnesium burns this substance forms?
magnesium oxide
What burns a substance in the presence of oxygen?
combustion
Why is dust explosive?
its a starch and burns easily
What burns easily that rhymes with mother?
butter
