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Is the melting point of silver a physical or a chemical property?
The change in the state of matter between solid, liquid and gas are not chemical changes. The melting point of a substance, silver in this case, is a physical characteristic.
Is sodium and potassium reacting violently with water a chemical or physical change?
Their reaction with the water is a purely chemical change, however the chemical reaction is so intense and violent that it is usually followed by many dangerous physical changes (e.g. boiling of the water, flinging molten pieces of the unreacted metal at you, spattering drops of lye solution at you).
Is a glass blower creating sculptures a physical or chemical change?
yes it is a chemical change because it turned into something new a scultureWRITTEN BY ISABELLA GARCIAIN ROGERS MIDDLE SCHOOL6TH GRADE
When molten rock cools or hardens on or earth surface it forms?
Igneous
What is molten rock that flows onto the seafloor and hardens as it cools?
Molten rock that flows onto the seafloor and hardens as it cools is called basalt. Basalt is the most common type of lava erupted at mid-ocean ridges and forms the oceanic crust.
Is Pouring molten gold in a mold a physical or chemical change?
Pouring molten gold in a mold is a physical change because it involves a change in state from liquid to solid without altering the chemical composition of the gold.
Is making molten glass a physical or chemical change?
Melting is a physical process.
Is using oxygen to separate molten copper sulfide into copper sulfur dioxide a physical change?
no it is a chemical change
Is pouring molten gold into a mold a physical change?
Yes. Gold would have to bond with something for it to be a chemical change.
Is iron melting a physical change?
Melting iron is a strictly physical change (change of state). The molten and solid iron would be identical by any chemical test or reaction.
Is heating sodium chloride a chemical change?
No, heating sodium chloride is a physical change rather than a chemical change. When heated, sodium chloride simply changes physical state from a solid to a liquid (molten form) without any change in its chemical composition.
Is pouring molten silver into a mould to solidify and make jewellery a physical change?
Yes, pouring molten silver into a mold to make jewelry is a physical change. This process involves a change in the state of matter from liquid to solid without altering the chemical composition of the silver.
Is Using oxygen to separate molten copper sulfide into copper and sulfur dioxide a physical change?
No, using oxygen to separate molten copper sulfide into copper and sulfur dioxide is a chemical change because new substances with different chemical properties are formed. This process involves a chemical reaction where the copper sulfide is broken down into copper and sulfur dioxide molecules.
Is the melting point of silver a physical or a chemical property?
The change in the state of matter between solid, liquid and gas are not chemical changes. The melting point of a substance, silver in this case, is a physical characteristic.
What Rock is formed when molten rock hardens?
Obsidian rock
What causes a metamorphic rock to change into an igneous rock?
it falls in magma and melts to molten rock and when it pops out of the volcano and hardens its a igneous rock!
Is molten lava hardening into a rock a physical change?
It's a physical change - more intermolecular bonds (bonds between different molecules) are formed due to the cooling of the matter, and the state of matter changes from liquid to solid. The chemical makeup of the lava does not change.
