Show by an experiment that by increasing the temperature, the sub… - Vidyadip

Question

Show by an experiment that by increasing the temperature, the substance can be changed into liquid and then into vapours.

✓

Answer

Take some ice cubes in a beaker and heat it by spirit lamp or Bunsen burner and put a thermometer in the beaker, when the temperature reaches to zero degree Celsius the temperature will not increase. Till the whole amount of ice does not changes into its liquid state next heat it continuously and then when the temperature reaches hundred degree Celsius the temperature will not increase till the whole amount of water does not changes into its gaseous state as water vapours.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Que-Ans (Each of 3 Mark )" from Matter in Our Surroundings→Matter in Our Surroundings — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Write the composition of soil. On what basis the type of soil is decided?

What is the value of the latent heat of fusion of ice?

The longitudinal waves travel in a coiled spring at a rate of $4\ m/s$. The distance between two consecutive compressions is $20\ cm$. Find:

Wavelength of the wave.
Frequency of the wave.

Write notes on plants and animals as sources of food.

A $1000kg$ vehicle moving with a speed of $20m/s$ is brought to rest in a distance of $50$ metres:

Find the acceleration.
Calculate the unbalanced force acting on the vehicle.

Distinguish between prokaryotic and eukaryotic cells.

Bromine and air take about $15$ minutes to diffuse completely but bromine diffuses into a vacuum very rapidly. Why is this so?

Write down four characters of Chondrichthyes. Give two examples.

i. What is the difference between echo and reverberation?
ii. How can we reduce reverberation in an auditorium or a big hall?
iii. Which materials are good absorbers of sound?
iv. Why we can hear more clearly in a room having curtains?

A body of mass $2$ $kg$ is thrown vertically upwards with an initial velocity of $20 \mathrm{~m} / \mathrm{s}$. What will be its potential energy at the end of $2$ $s$ ? (Assume $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2$ ).