|
Design an experiment to show that ammonium chloride undergoes sublimation
|
|
0
|
19805
|
March 19, 2018
|
|
On a hot sunny dag why do we feel pleasant sitting under a tree?
|
|
2
|
5428
|
May 29, 2017
|
|
Explain giving examples the various factors on which rate of evaporation depends
|
|
1
|
24700
|
March 23, 2017
|
|
Pressure and temperature determine the state of a substance. Explain this in detail
|
|
1
|
12935
|
March 23, 2017
|
|
With the help of an example, explain how diffusion of gases in water is essential?
|
|
1
|
16176
|
March 23, 2017
|
|
How is the high compressibility property of gas useful to us?
|
|
1
|
20510
|
March 23, 2017
|
|
The melting point of ice is 273.16 K. What does this mean? Explain in detail
|
|
1
|
5094
|
March 23, 2017
|
|
Name the factors that affix l evaporation
|
|
1
|
897
|
March 23, 2017
|
|
The temperature at which liquids change into vapours is very high,
|
|
1
|
3092
|
March 23, 2017
|
|
On a last sunny day, why do people sprinkle water on the roof or open ground?
|
|
1
|
2306
|
March 23, 2017
|
|
Why arc solids generally denser than liquids and gases?
|
|
1
|
7115
|
March 23, 2017
|
|
Cotton in solid but it floats on water. Why?
|
|
1
|
14141
|
March 23, 2017
|
|
State the differences between solid, liquid and gas
|
|
1
|
18261
|
March 23, 2017
|
|
Why is water liquid at room temperature?
|
|
1
|
16994
|
March 23, 2017
|
|
One kg cotton and one kg sand, which is more denser? Why?
|
|
1
|
6138
|
March 23, 2017
|
|
What are fluids?
|
|
1
|
7546
|
March 23, 2017
|
|
Why is it advisable to use pressure cooker at higher altitudes?
|
|
1
|
8101
|
March 23, 2017
|
|
Distinguish between evaporation and boiling.Explain
|
|
1
|
1405
|
March 23, 2017
|
|
Why do people perspire a lot on a hot humid day?
|
|
1
|
9355
|
March 23, 2017
|
|
A balloon when kept in sun, bursts after some time. Why?
|
|
1
|
7293
|
March 23, 2017
|
|
Liquids and gases can be compressed but it is difficult to compress solids. Why?
|
|
1
|
3212
|
March 23, 2017
|
|
Explain why solids have fixed shape but liquids and gases do not have fixed shape
|
|
1
|
5598
|
March 23, 2017
|
|
Why do we see water droplets collected on the outer surface of a glass container,
|
|
1
|
2851
|
March 23, 2017
|