Question

Study these tables related to boiling points
of different substances and humidity and answer the following questions.

Table A: Boiling points of different substances
_____________________________
| Substance | Boiling Point (degree C) |
|______________________________|
| Methanol | 64.7 |
| Ethanol | 78.4 |
| Nitric Acid | 83 |
| Water | 100 |
| Iodine | 184.3 |
______________________________|

Table B: Humidity percentage in three situations
_____________________
| Situations | Humidity |
| _____________________
| Situation A | >75 |
| Situation B | 50-75 |
| Situation C | <50 |
|_____________________|

(a) Refer Table B and find out in which situation a bowl of water will evaporate away the fastest and slowest.

(b) A bowl of water and a bowl of ethanol are kept inside a room. Which bowl will get empty first?

(c)refer table A and table B and find in which situation out of the following the substance will evaporate the faster?
a)methanol in situation c
b) iodine in situation a
c)nitric acid in situation a
d)iodine in situation c​

(d)"Evaporation in a surface phenomena." Explain.

✔Who will give correct answer i will mark him as brainliest

Answer 1

Answer:

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Answer:-a

Situation C will be the fastest.

Situation B is the slowest.

Answer:-b

ethanol will get empty first because it's boiling point is less than that of water.

Answer:-c

option A

Methanol in situation C

Answer:-d

Evaporation is a surface phenomenon because it occurs in the surface. Example- When to put clothes for drying we spread them out, therefore, the surface area gets increased. When the surface area increases the water will get enough space to get into vapor stage and thus evaporation happens easily.

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Answer 2

Answer:

Answer:-a

Situation C will be the fastest.

Situation B is the slowest.

Answer:-b

ethanol will get empty first because it's boiling point is less than that of water.

Answer:-c

option A

Methanol in situation C

Answer:-d

Evaporation is a surface phenomenon because it occurs in the surface. Example- When to put clothes for drying we spread them out, therefore, the surface area gets increased. When the surface area increases the water will get enough space to get into vapor stage and thus evaporation happens easily.