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Byju's Answer
Standard X
Physics
Melting and Freezing
The temperatu...
Question
The temperature of ice can be decreased below
0
∘
C
by mixing ________ in it.
A
saw dust
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B
sand
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C
salt
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D
coal
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Solution
The correct option is
C
salt
The freezing point of water is
0∘C
, so water-
ice
slush stays at
0∘C
.
If it was lower, it
would
stabilize at the lower
temperature
. By adding salt, you are lowering the freezing
temperature
.
Therefore, the option is C.
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