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Solution


Q.

Read the passage carefully and answer the following questions from (i) to (v):

 

Vedanshi and Krati are working in the lab. During the experiment of determining the reactivity of acids and bases, the test tube containing chemical ‘X’ cracked and the liquid inside produced blisters on the skin of Krati. The pH strip turned blue to red with the reaction to the liquid. Vedanshi immediately called her teacher for help, and first aid was provided to Krati.

 

 (ii) The following list includes the possible first aid for the laboratory accidents:

 

1. Thoroughly rinse the affected area with water.

2. Having medicines without prescribing the doctor.

3. Consult the doctor immediately.

4. To go outside the lab, preferably in an open area.

5. Not telling the teacher and other elders or they might scold you.
1 All of the above  
2 1, 2 and 3 are correct  
3 Only 1 is correct  
4 1, 3 and 4 are correct  

Ans.

(4)