1.

A person living in Shimla observed that cooking food without using pressure cooker takes more time. The reason for this observation is that at high altitude :

Answer»

PRESSURE increases
temperature decreases
temperature increases
pressure decreases

Solution :Pressure at the peak of a mountain is LOW. This suggests that BOILING takes place at LOWER temperature and due to this, things thake more time to boil. However, in a pressure cooker, as pressure increased boiling point also increases. Hence, things boils in a pressure cooker in a less time.


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