Question

Question 1. The quantity of matter present in an object is called its:
(a) Weight (b)Gram (@Mass (d)Density
(b)Boiling point of a liquid
Question 2. At higher altitudes:
(a)Boiling point of a liquid decreases
increases
(No change in boiling point
(d)Melting point of solid increases
Question 3. The boiling point of alcohol is 78°C. What is this temperature in
Kelvin scale:
(a)373 K (b)351 K (C)375 K. (d)78 K
Question 4. In which phenomena water changes into water vapour below its
B.P.?
(a)Evaporation (b)Condensation (c)Boiling (d)No such phenomena exist​

Answer 1

Answer:

1. c
2. no change in boiling point
3. b
4. a

Answer 2

Hi friend!

Here are your answers :

1. Mass
2. Boiling point of a liquid decreases
3. 375 K
4. Evaporation

Hope it helps you!!!!!