Can white vinegar wash away urinal lime, and can white vinegar dissolve lime blocks

Diluted hydrochloric acid or sulfuric acid, as soon as it touches the urinal, it will be as white as new, but Qiancheng should not directly contact the liquid with your hands, remember to be careful and careful.

In addition, if it is not very stubborn yellow wear protection and strong shoes platinum cat dirt, the general toilet cleaner will be fine.

Yes, but the effect is not as good as hydrochloric acid, the main component of white vinegar acetic acid and lime reaction to produce carbon dioxide, water. The corrected acetic acid chemical name downstairs is CH3COOH, and HCL is hydrochloric acid.

Acetic acid can dissolve lime blocks, the principle of chemical reaction: CaCo +2HCl = CaCl +Co +HO

Well, you can. Acetic acid can dissolve lime blocks.

No, banana water or petrol. Rinse with water immediately after rinsing.

Or go to that kind of car wash chain store to wash it, the surface of the car paint vinegar, gasoline, banana water, etc. will be glossy and ugly after washing, and if you go to the chain store to wash it, it will be dealt with for you.

If the white ash here refers to the putty layer, you can moisten it with water and then use a batch ash knife to produce it. After being stained with water first, the roller brush that goes up and down the wall like paint penetrates into a field with water, and then gently shovels it with a plaster knife. In fact, this method is very simple and fast.

The white ash can only be wet with water, and then it will come down with a shovel.

Experimental instruments: test tubes, droppers, mortars, gauze, etc.

Experimental drugs: vinegar, calcium hydroxide solution (we bought quicklime with some water), alcohol, roses. Chrysanthemum.

**Solution: Take the colored petals or colored epidermis of several plants, such as roses, chrysanthemums, and put them in a mortar to mash them, add an appropriate amount of alcohol solution (the volume ratio of ethanol to water is 1 1) and soak for ten minutes. (The main thing is to make the organic matter and alcohol in the roses miscible).

The soaked juice is filtered or squeezed out with gauze to obtain an indicator;

The self-made indicator was added dropwise to vinegar and lime water to detect the discoloration of the indicator. If I'm not mistaken, if it's lime water, the color of the roses will turn pale yellow. Chrysanthemums are unchanged.

How to distinguish white vinegar, clear water, and clear lime water in three ways.

The easiest way is to taste it.

Acrylic can't be washed off with white vinegar.

Propylene is insoluble in water and soluble in organic solvents, but the main ingredient in white vinegar is acetic acid.

It is a weak acid and does not react with propylene punching. Acrylic can be used as a pigment, but acrylic bridges the pigment.

It will dry out when the moisture will be exerted, so be careful not to get it on your clothes or **.

While oil and warm, soapy water can remove acrylic paint from the acrylic paint, water and mild solvents will not cause the propylene to dissolve again.

Hello! Are you referring to the case of water paint stains on your clothes? There is water paint on the clothes, which can be cleaned in the following ways:

1. Rinse and soak the stain with cold water to make the stain as thin as possible;

2. Apply the original solution of the special laundry detergent for hand washing to the stains, completely cover the stains, let it stand for 5 minutes (can be gently scrubbed), and add laundry detergent for regular washing;

3. If the stain still cannot be removed after the above methods, then.

1) Pure white cotton, linen, polyester clothing: Add 1 bottle cap (40g) of white clothes (600g specification) to each half basin of water (about 2 liters), stir well, soak in the clothes ball Kaiwu for 30min, rinse clean.

If the stains are not removed after 2 hours, take out the clothes, add white clothes to the basin (add 1 bottle cap per half basin of water), stir well, put in the clothes and continue soaking, and the cumulative soaking time does not exceed 6 hours.

2) White clothes of colored or other materials: put the clothes into the basin, the stain part is attached to the bottom of the basin, measure 1 4 caps (10 grams) of colored clothes and 1 4 caps (10 grams) of the collar with the color stain net (600g specification) of colored clothes, pour them on the stains, cover the stains with other non-stained parts of the clothes, prevent air drying, let stand for 2 hours, and rinse clean. If the stain still does not collapse after 2 hours, it can be extended to stay overnight.

Precautions: 1. The color stains of white clothes are suitable for white cotton, cha Ma linen, polyester, polyester cotton, cotton and linen fabrics, do not use colored clothes (including white background stripes, white background checkered, white background printing), do not use silk wool spandex nylon and other non-chlorine bleaching clothes, do not directly use the original solution.

2. Color stains are not suitable for fading clothes and dry cleaning, avoid touching metal buttons, zippers, metal ornaments, etc. on the clothes when using, and avoid direct sunlight.