Question

in a freezer the temperature falls 2 degree Celsius in every 5 minutes. in how much time will the water kept 36 degree Celsius freeze into ice​

Answer 1

Answer:

In the freezer temp falls 2oC at every 5 mins. The temp. to fall 2o time taken = 5 mins. Then the temp. to fall 36o the time taken = 5 / 2 x 36 mins = 5 x 18 mins - 90 mins = 1 hr 30 mins.

Answer = 1 hour

Answer 2

Answer:

1hour

Step-by-step explanation:

In the freezer temp falls 2oC at every 5 mins.

The temp. to fall 2o time taken

=5 mins.

Then the temp. to fall 36o the time taken

=5 / 2 x 36 mins

=5 x 18 mins - 90 mins

, = 1 hr 30 min

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