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When green powder is heated it turns black and a gas is produced is this a reversible or irreversible change?
when green powder is heated, it turns black and a gas is produced. in irreversible changes, new materials are always formed. given that a gas is produced, which is a new material, heating green powder is an irreversible change.
What element gives a green flame when it is heated?
Boron is the element that gives a green flame when it is heated.
Is a crystal or lead crystal are same?
No, crystal and lead crystal are not the same. Lead crystal contains lead oxide, which gives it a higher refractive index and greater sparkle compared to regular crystal. Lead crystal is typically used for high-end glassware and decorative items.
What happens when you heat copper sulphate over a Bunsen burner?
I think it becomes a black liquid which, when it cools becomes a black powder. it also bubbles and gives off a gas (oxygen I think) that means that the copper sulfate had the oxygen removed making it copper sulfide. (I'm not entirely sure but this is what happened in the practical. Cheers.
What is a solid nonmetal that gives purple vapor on heating?
Iodine is a solid nonmetal that gives off purple vapor when heated.
What happens when petrol is heated?
It becomes less viscous, and gives off more vapors(evaporation).
How does baking powder and salt change flour into self-raising?
The difference is only the baking powder - baking powder gives off carbon dioxide when heated/cooked - hence the mixture made using it rises during cooking.
When green powder is heated it turns black and a gas is produced is this a reversible or irreversible change?
when green powder is heated, it turns black and a gas is produced. in irreversible changes, new materials are always formed. given that a gas is produced, which is a new material, heating green powder is an irreversible change.
What element gives a green flame when it is heated?
Boron is the element that gives a green flame when it is heated.
When iodine is heated?
when iodine is heated it gives voilet vapours
Which Organisation gives the Crystal Awards?
Try Crystal Galleries
What does weight gain powder do?
weight gain powder gives you more muscle.
What is finishing powder?
finishing powder is a powder that helps keep your makeup on and it reflects off the light so it gives you a natural glow
What gas is given off when Potassium Hydroxide and Sodium Hydroxide heated?
When Potassium Hydroxide is heated, it gives off water vapor (H2O). When Sodium Hydroxide is heated, it also gives off water vapor (H2O).
What is sugardust?
Sugar Dust is a powder by Bed Head. It is a texturizing powder. When you apply it to your hair, it gives it added texture.
Which person gives you the growth powder in maple story?
ask the maple story administrator for the powder to put on the chick
What is a powder you put in your drink that gives you the poops?
Eno and Andrews are examples of the powder that you can put into your drink to give you the poops.
