EASY

Earn 100

Solids are incompressible because there is a very little space between the molecules of the solids and there is a very strong force of attraction.

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Important Questions on Matter in our Surroundings

HARD

Science>Chemistry>Matter in our Surroundings>States of Matter

The melting point of naphthalene is

80 ° C

and the room temperature is

30 ° C

. A sample of liquid naphthalene at

100 ° C

is cooled down to the room temperature. Draw a temperature time graph to represent this cooling. In the graph, mark the region which corresponds to the freezing process.

MEDIUM

Science>Chemistry>Matter in our Surroundings>States of Matter

If a gas expands at constant temperature it indicates that

EASY

Science>Chemistry>Matter in our Surroundings>States of Matter

Physical state of water at

0 ° C

EASY

Science>Chemistry>Matter in our Surroundings>States of Matter

Which of the following are the characteristics of a gaseous state?

HARD

Science>Chemistry>Matter in our Surroundings>States of Matter

In which of the following conditions, the distance between the molecules of

H_{2}

gas would increase?
i. Adding more

H_{2}

gas to the container without increasing the volume of the container
ii. Increasing the volume of the container of

H_{2}

gas
iii. Some

H_{2}

gas leaking out of the container
iv. Increasing pressure on

H_{2}

gas contained in a closed container

MEDIUM

Science>Chemistry>Matter in our Surroundings>States of Matter

Why do solids have a fixed volume and a definite shape?

MEDIUM

Science>Chemistry>Matter in our Surroundings>States of Matter

In which of the following conditions, the distance between the molecules of hydrogen gas would increase?

I - Increasing pressure on hydrogen contained in a closed container

II - Some hydrogen gas leaking out of the container

III - Increasing the volume of the container of hydrogen gas

IV - Adding more hydrogen gas to the container without increasing the volume of the container.

EASY

Science>Chemistry>Matter in our Surroundings>States of Matter

Why is it that the gases can be compressed easily but not the solids?

EASY

Science>Chemistry>Matter in our Surroundings>States of Matter

Which of the following is a property of solid?

EASY

Science>Chemistry>Matter in our Surroundings>States of Matter

The property to flow is unique to fluids. Which of the following statements is correct?

HARD

Science>Chemistry>Matter in our Surroundings>States of Matter

Tabulate the differences in the characteristics of states of matter.