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6 questions · timed · auto-graded

Question 11 Mark
Complete the following sentence :

water can be made to boil at 115°C by ................. pressure over its surface.

Answer
water can be made to boil at 115°C by increasing pressure over its surface.
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Question 21 Mark
Complete the following sentence :

The boiling point of water is defined as _________

Answer
The boiling point of water is defined as the constant temperature at which water changes to steam.
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Question 31 Mark
Complete the following sentence:

A pressure cooker is based on the principle that boiling point of water increases with the _________

Answer
A pressure cooker is based on the principle that boiling point of water increases with the increase in pressure.
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Question 41 Mark
Complete the following sentence:

Increase in pressure _________ the boiling point of water.

Answer
Increase in pressure increases the boiling point of water
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Question 51 Mark
Complete the following sentence:

Decrease in pressure over ice ________ its melting point.

Answer
Decrease in pressure over ice increases its melting point.
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Question 61 Mark
Complete the following sentence:
When ice melts, its volume _________
Answer
When ice melts, its volume decreases .
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fill in the blanks. - Physics STD 10 Questions - Vidyadip