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Mark had small blue crystals of unknowns composition which gave and turned into a powder when heated. What can you conclude about the blue crystals?
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What would happen if an aqueous solution of sugar is heated to dryness?
Crystals of sugar are obtained.
When sugar crystals are heated?
kasi nasusunog kaya umiitim diba...ang Dali Dali
Where does crystal come from?
Crystals come on by igneous rocks. Igneous rocks were heated up by lava. Then the rocks cooled and broke. Inside them were crystals.
What gas is evolved when a few crystals of potassium nitrate are heated in a hard glass test tube?
Nitrogen dioxide and oxygen are released.
If you take borax and boiling water and make crystals is this a physical change or a chemical change?
It is a chemical change, because the borax reacts to the heated water.
Do Salol crystals form quicker when heated?
they do not form when heated! they form crystals when they are frozen bu a freezer or room tempreature.
What dark crystals turn into purple vapour when they are heated?
Iodine crystals
What happens when ferrous sulphate crystals are heated?
The color of crystals will change after heating because of loss of water..
These dark crystals turn into a purple vapour when heated?
Iodine
What happenened to the copper sulfate when heated?
When heated in an open flame the crystals are dehydrated and turn grayish-white. -www.wikipedia.com
When blue crystals are heated is it a physical or chemical change and why?
It would be chemical.
What is the colour of the fumes given off when crystals of iodine are heated?
Violet
Is adding water to heated copper sulfate crystals chemical or physical?
chemical
What would happen if an aqueous solution of sugar is heated to dryness?
Crystals of sugar are obtained.
How does the law of constant consumption apply to hydrate salts?
Whenever talking about a molecule of water, there is ALWAYS two atoms of Hydrogen and one atom of Oxygen. In a hydrate, water is part of the crystals. When a hydrate is heated, the composition of it is changed, because water is released. And as soon as the composition is changed, it is a new substance with new properties.
When sugar crystals are heated?
kasi nasusunog kaya umiitim diba...ang Dali Dali
Why does grape jelly crystallize in refrigerator?
Grape jelly contains sugar. If the product was heated too quickly, the sugars will begin to form crystals, and these crystals will continue to grow.
