Is Acid rain dissolving paint off a wall a chemical change or physical change?

Is Acid rain dissolving paint off a wall a chemical change or physical change?
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1 Answer

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Chemical change
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Detergents dissolved in water help in cleaning clothes by-----? A. Increasing the temperature of water B. Reacting chemically with dirt C. Reducing the surface tension of water (Answer) D. Dissolving dirt

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An aqueous solution of sodium chloride is prepared by dissolving 10kg of sodium chloride in 50 kg of water find (i) Weight % (ii) Mole % of solution. [Atomic weight of Na = 23, Cl = 35.5]

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What is the molarity of a salt solution prepared b dissolving three moles of salt in 500 milliliters of water? w) 1 x) 2 y) 4 z) 6

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A negative heat of solution indicates that: w) an endothermic dissolving process occurs x) solute solubility increases with rising solution temperature y) solute solubility decreases with rising solution temperature z) super-saturation conditions exist

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Last Answer : ANSWER: Y -- SOLUTE SOLUBILITY DECREASES WITH RISING SOLUTION TEMPERATURE

What is the molality of a salt solution prepared by dissolving two moles of salt in 500 grams of water?

Description : What is the molality of a salt solution prepared by dissolving two moles of salt in 500 grams of water?

Last Answer : ANSWER: 4

What can be used outside to prevent my dog from chewing up the outside of her food and water bowls? Is it safe to mix hot sauce with a waterproof paint? I need the hot sauce to withstand rain and wind?

Description : What can be used outside to prevent my dog from chewing up the outside of her food and water bowls? Is it safe to mix hot sauce with a waterproof paint? I need the hot sauce to withstand rain and wind?

Last Answer : Why not choose to NOT torture or cause pain to your beloved(?) pet and just buy metal bowls?!? Why was your first solution to hurt your dog?

When you paint with a roller, do you ”cut in the wall” first then roll, or roll first then ”cut in”?

Description : When you paint with a roller, do you ”cut in the wall” first then roll, or roll first then ”cut in”?

Last Answer : I worked on a campus paint crew for two years in college, way back. I always prefered to do cutting first, then roll. Both on walls and ceilings. Learned from Supervisor it took less paint, not as ... It would take some experience to be on- point and assured, I would guess. Has anyone tried them?

How do I find the right paint to cover up this hole in the wall?

Description : How do I find the right paint to cover up this hole in the wall?

Last Answer : You won’t need a whole gallon. Take a paint chip to the store and have them color match it. Most stores now have no problems matching paint. Then buy the smallest size can of paint they have, it will probably be a pint or a quart.

How do I perfectly match the paint on my wall?

Description : How do I perfectly match the paint on my wall?

Last Answer : answer:You could take some paint along to a specialist paint store and see if they can match it? I think if you can get even a small piece of paint, they may be able to do this. I would ring up Lowes (I don’t know this store) and ask them how much paint they would need.

DIY a wall that was scraped and now has bits of paint and paster help?

Description : DIY a wall that was scraped and now has bits of paint and paster help?

Last Answer : Use textured paint if you must but I would just skim it myself. If it doesn’t work as you planned no harm is done.

How can I draw then paint designs on my bedroom wall?

Description : How can I draw then paint designs on my bedroom wall?

Last Answer : Borrow/buy an overhead projector. Then copy the design that you want onto a transparency and shine it on the wall. You can then use a pencil to trace the lines onto the wall. All that is left is a giant coloring book page.

Do I need primer before I paint a patch of my wall?

Description : Do I need primer before I paint a patch of my wall?

Last Answer : Paint should be fine. Just be prepared for multiple coats.

After how many layers of paint to scratch the wall.

Description : How many times do you paint the walls at home before you scrape it? We have been doing about 16 coats for several decades. So I don't know if we should scratch the previous ones first. Nothing is peeling anywhere yet, but I guess I'd like to take it off, right?

Last Answer : I don't scratch until the previous layers of paint peel off (and visibly reduce the size of the room: o). Why would I do that?

Several layers of paint on the wall - painting.

Description : I want to paint, but I saw that there were already several layers of paint on the wall. The older painting is even falling in places. How do I remove those old layers? A scraper? Should I soak the wall?

Last Answer : Yeah, you have to soak and then scratch. Best with a roller, soak a lot with water, then scrape with long strokes of a spatula and hold the shovel under it with the other hand. Otherwise, the binec ... perhaps cannot be repaired. Then plaster the holes in the nails and let the whole thing dry. :-)

how to paint solid wall suround for tubs

Description : how to paint solid wall suround for tubs

Last Answer : Home Depot and Lowes carry paint for tubs. It is epoxy base paint and comes in a can and you would need to tape and paper or plastic the walls and fixtures from over spray,clean tub and some products require you to scuff the surface with sand paper before painting.

Is it necessary to use primer under interior wall paint?

Description : Is it necessary to use primer under interior wall paint?

Last Answer : It is not necessary to use a primer for interior walls, but using one helps with adhesion and smoothness of the paint.

Which paint brush is best to use for cutting in paint along the wall near the ceiling?

Description : Which paint brush is best to use for cutting in paint along the wall near the ceiling?

Last Answer : The brush should be small and you should tape the ceiling to protect it but otherwise the brush doesn't matter much.

Wall Paint Colors?

Description : Wall Paint Colors?

Last Answer : form_title= Wall Paint Colors form_header= Create a new feel in your home with new wall paint. What is your desired color scheme?*= _ [50] What is the square footage of the room?*= _ [50] Do you need to buy paint accessories?*= () Yes () No