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When mineral rich water evaporates it leaves behind?
A residue formed from salts remain.
Is a methanol is burned and leaves a residue a chemical change?
Burning (an oxidation reaction) is a chemical change,
What is the streak of chalcocite?
Chalcocite does not exhibit a streak because it is a soft mineral that usually leaves a black residue when streaked on a streak plate.
Your sweat is salty so is the white residue salt that's left behind after the sweat evaporates?
Yes, the salty taste of sweat is due to the presence of salt, primarily sodium chloride. When sweat evaporates, it leaves behind this salt residue on the skin, which can often be seen as a white residue. This is why sweating can leave skin feeling sticky or salty.
Why are petrol and paraffin not used for dry cleaning?
Petrol and paraffin are highly flammable and pose a safety hazard when used for dry cleaning. Additionally, they can leave behind strong odors on clothing and are not as effective at removing stains compared to other dry cleaning solvents like perchloroethylene or hydrocarbons.
I am a solid substance left after heating coal or petrol?
You are likely to be either coke (from coal) or carbon residue (from petrol). These solid substances are left behind when coal or petrol is heated in the absence of oxygen, which removes volatile components and leaves behind a carbon-rich material.
Name the substance on heating leaves no residue behind?
Helium gas does not leave any residue behind when heated.
What bug stings you and leaves a white chalky residue?
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If you have put oil where the petrol goes in your lawnmower?
Dump/siphon/drain it as best as possible and as long as you haven't tried to run it, you should be able to fill it with petrol and fire it up! The petrol will dilute the residue sufficiently.
Does electrical tape leave residue?
It can, the cheaper electrical tapes leave more residue than the better quality brands such as 3M. The longer you leave it on the more residue it leaves behind.
Why does coca cola leaves a sticky residue?
Because you spilled it and it has been sitting there
Why do you have a white powder residue on the leaves of your bee balm bush?
Treat it with 10% milk 90% water mix... direct to the leaves...
When mineral rich water evaporates it leaves behind?
A residue formed from salts remain.
When methanol is burned and leaves a residue a physical or chemical change?
When methanol burns and leaves a residue, it undergoes a chemical change. The burning of methanol involves a combustion reaction, where the methanol is reacting with oxygen to form new substances, such as carbon dioxide and water. The residue left behind is a result of this chemical reaction.
Substance left after heating coal or petrol?
The substance left after heating coal is coal ash. The substance left after heating petrol is a residue called coke. Both of these byproducts are typically composed of carbon and other elements.
Is a methanol is burned and leaves a residue a chemical change?
Burning (an oxidation reaction) is a chemical change,
What household pest leaves sawdust residue?
Carpenter ants dig through wood leaving a sawdust residue. Wood bees or carpenter bees also leave a sawdust residue as they dig into wood to make a nest. Termites actually eat the wood so they would not leave a sawdust residue
