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What is the kindof the change represented by grinding chalk into a powder?
Wiki User
∙ 12y ago
Verified answer
A physical change.
Wiki User
∙ 14y ago
How could you prove that grinding a bar of iron into a powder is not a chemical change?
You can prove that isnt a chemical change because it is just a change of appearance which is considered a physical change.
How do you cause a physical change?
A physical change does not create a different chemical compound. Grinding a brick into a fine powder is a physical change. Freezing water is a physical change. Melting wax is a physical change.
How do rocks make paint?
paint was made along time ago by grinding rocks and mixing the powder with animal fat.
What is the physical change of magnesium powder?
For example the melting of this powder.
Is action of baking powder in cooking a cake a physical or chemical change?
The thermal decomposition of baking powder is a chemical change.
What kind change is grinding chalk into powder?
Grinding chalk really doesn't change the chalk except to make it into powder. So that makes it a physical change. It is much like ice melting into water.
How is the streak of a mineral found?
By change of state from solid mass to powder through breaking or grinding.
How could you prove that grinding a bar of iron into a powder is not a chemical change?
You can prove that isnt a chemical change because it is just a change of appearance which is considered a physical change.
Is powdery a physical or chemical change?
Powdery is an adjective which not require any change!You can have a physical change where a large lump of some substance is ground into powder. Or you can have a chemical change (eg magnesium burning) which leaves a powdery residue.
What the definition of pulverizing?
It means grinding to a powder or dust
How do you cause a physical change?
A physical change does not create a different chemical compound. Grinding a brick into a fine powder is a physical change. Freezing water is a physical change. Melting wax is a physical change.
How we can make zinc powder from zinc metal?
Yes, by grinding the zinc metal you can get the zinc powder. Which type of grinder we can use
How you can get paint from rocks?
by grinding them into powder, and adding a binder to them (oil, acrylic or egg)
What apparatus is used for founding or grinding solid substance into powder?
pestel and mortar
Which methods will usually cause a reaction to speed up?
Combining the reactants at a lower temperature. Reducing the concentration of reactants. Grinding one of the reactants into a powder. Removing the catalyst.
Why does grinding a solid into powder increase reaction rate?
Increased surface area for reaction to occur on
How do you use the word powder in a sentence?
After I bathe, I put powder all over my body. Black pepper is made by grinding peppercorns into powder. Soldiers in the 18th century used gunpowder horns to keep their powder dry.
