Home
Class 10
CHEMISTRY
If a few drops of a concentrated acid ac...

If a few drops of a concentrated acid accidentally spoils over the hand of student what should be done?

A

wash the hand with saline solution

B

wash the hand immediately with plenty of water and appy a plaste of sodium hydrogen carbonate

C

After washing with plenty of water apply solution of sodium hydroxide on the hand

D

Neutralise the acid with a strong alkali

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Immediate Action:** If concentrated acid spills on the skin, the first and most important step is to wash the affected area immediately with plenty of water. This helps to dilute and remove the acid from the skin. 2. **Neutralization:** After washing the hand thoroughly, it is essential to neutralize any remaining acid. This can be done by applying a mild base to the affected area. A suitable choice is sodium bicarbonate (baking soda), which is a weak base. 3. **Application of the Base:** Prepare a paste of sodium bicarbonate by mixing it with a small amount of water. Apply this paste gently to the area where the acid has spilled. This will help neutralize any remaining acid and prevent further skin damage. 4. **Avoid Strong Bases:** It is crucial to avoid using strong bases, such as sodium hydroxide, as they are highly corrosive and can cause more damage to the skin than the acid itself. 5. **Seek Medical Attention:** After taking these first aid steps, it is advisable to seek medical attention to ensure that there is no serious damage to the skin and to receive further treatment if necessary.
**Step-by-Step Solution:** 1. **Immediate Action:** If concentrated acid spills on the skin, the first and most important step is to wash the affected area immediately with plenty of water. This helps to dilute and remove the acid from the skin. 2. **Neutralization:** After washing the hand thoroughly, it is essential to neutralize any remaining acid. This can be done by applying a mild base to the affected area. A suitable choice is sodium bicarbonate (baking soda), which is a weak base. 3. **Application of the Base:** Prepare a paste of sodium bicarbonate by mixing it with a small amount of water. Apply this paste gently to the area where the acid has spilled. This will help neutralize any remaining acid and prevent further skin damage. ...
Promotional Banner

Similar Questions

Explore conceptually related problems

When an organic compound X is warmed with alkaline solution of KMnO_4 a new compound Y is formed which smells of vinegar. On heating compounds X and Y with a few drops of concentrated sulphuric acid another compound Z is formed. Name the compound X and Y

When an organic compound X is warmed with alkaline solution of KMnO_4 a new compound Y is formed which smells of vinegar. On heating compounds X and Y with a few drops of concentrated sulphuric acid another compound Z is formed. Name the process of conversion of X to Y

When an organic compound X is warmed with alkaline solution of KMnO_4 a new compound Y is formed which smells of vinegar. On heating compounds X and Y with a few drops of concentrated sulphuric acid another compound Z is formed. Name the compound Z

When an organic compound X is warmed with alkaline solution of KMnO_4 a new compound Y is formed which smells of vinegar. On heating compounds X and Y with a few drops of concentrated sulphuric acid another compound Z is formed. Name the process of formation of Z

The figure given below shows the epidermal cells of an onion bulb. This cell was then transferred to a drop of sugar solution. What should be done to restore the cell back to its original condition ?

A white crystalline substance dissolves in water.On passing H_(2)S in this solution, a black precipitate is obtained.The black precipitate dissolves completely in hot HNO_(3) .On adding a few drops of concentrated H_(2)SO_(4) , a white precipitate is obtained.This precipitate is that of

State one appropriate observation for each of the following: A few drops of dilute hydrochloric acid are added to silver nitrate solution, followed by addition of ammonium hydroxide solution.

State one appropriate observation A few drops of dilute hydrochloric acid are added to silver nitrate solution, followed by addition of ammonium hydroxide solution.

In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitrate should not be heated very strongly above 200^@C . Give reasons.

When one drop of a concentrated HCl is added to 1L of pure water at 25^(@)C , the pH drops suddenly from 7 to 4 . When the second drop of the same acid is added, the pH of the solution further drops to about