1.

Which of the following statements is incorrect?       

A. Thermometer is read by holding its bulb.
B. A few sharp jerks are given to clinical thermometer before using it.    
C. The black fabric tent is preferred during winter.
D. Shopkeepers selling ice blocks usually cover them with jute sacks.
Answer» B. A few sharp jerks are given to clinical thermometer before using it.    


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