States of Matter

Q.

Which of these states of matter take the shape of their container?

1. Solid

2. Liquid

3. Gas

4. None of the three states take the shape of the container

Q.

Solids do not flow because the molecules

1. Are held tightly together by strong forces of attraction.

2. Are loosely packed.

3. Are very loosely packed.

4. None of these.

Q.

What are the characteristics of the different states of matter?

Q.

Differentiate between the three states of matter.

Q.

What factors influence freezing point?

Q.

The arrangement of particles is less ordered in the __________ state. However, there is no order in the _______ state.

Q. Matter is made up of tiny particles called _______.

1. pieces
2. seeds
3. grains
4. atoms

Q.

Which of these choices is / are example(s) of plasma?

1. Aurora borealis

2. Fluorescent light bulb

3. Neon sign

4. All of the above

Q. Which of the following substances has the highest force of attraction between its particles?

1. Sugar
2. Oil
3. Smoke
4. Water

Q. Give reasons :
(b) A drop of ink added to water in a glass turns the whole water blue.

Q. The state of matter with definite volume and definite shape is called …………..

Q.

Give reason why -

a) Solids have a definite volume and a definite shape

b) Liquids have a definite volume but no definite shape.

C) Gases have no definite volume and no definite shape.

Q. Which among the three states of matter are called fluids?

1. Liquids and gases
2. Solids and gases
3. Only gases
4. Only liquids

Q.

What will be the state of a substance below its freezing point?

1. Liquid state

2. Solid state

3. Plasma state

4. Gaseous state

Q.

Name the physical state of matter:

Which has a rigid structure.

Q. ___ is the property in which the molecules at the surface are attracted by the molecules that are below.

Q. What will be the effect of temperature on the rate of diffusion?

Q.

Gases can be compressed and stored in a cylinders.

1. True
2. False

Q. A teaspoonful of copper sulphate was dissolved in about half a cup of water in a beaker. Few drops of dilute sulphuric acid was added to this solution and a blue coloured solution was obtained. An iron nail was dropped into this solution and observed after 1- 2 hour. Which of the following statements is a true observation?

एक बीकर में लगभग आधे कप जल में एक चम्मच कॉपर सल्फेट घोला गया। इस विलयन में तनु सल्फ्यूरिक अम्ल की कुछ बूँदों को मिलाने पर नीले रंग का विलयन प्राप्त हुआ। इस विलयन में लोहे की एक कील डाली गई तथा 1-2 घण्टे के बाद इसका प्रेक्षण किया गया। निम्नलिखित में से कौनसा एक कथन सही प्रेक्षण है?

1. The blue colour of the solution changes to colourless
   
   विलयन का नीला रंग रंगहीन में परिवर्तित हो जाता है
2. The brown deposits can be seen on iron nail
   
   लोहे की कील पर भूरा निक्षेप देखा जा सकता है
3. The blue colour of the solution changes to red
   
   विलयन का नीला रंग, लाल रंग में परिवर्तित हो जाता है
4. The iron nail gets completely dissolved in the solution
   
   विलयन में लोहे की कील पूर्णतः घुल जाती है

Q.

Write T for true and F for false.

Solids and liquids are both fluids.

1. True
2. False

Q.

Compare the properties of solids, liquids, and gases in tabular form.

Q.

Define lower standard point and state its value in °C, °F and kelvin.

Q.

The state of matter which have fixed volume but lack definite shape is :

1. Solid

2. Liquid
   

3. Gas

4. Plasma

Q. The state of matter which has no fixed shape but volume and can freely flow is:

1. Gas
2. Liquid
3. Solid
4. None of these

Q.

Identify the type/s of matter that is/are considered as fluids.

1. Liquids and gases

2. Solids and gases

3. Liquids and solids

4. Only solids

Q. Identify the form of the water in the given image.

1. Gas
2. Liquid
3. Semisolid
4. Solid

Q.

Write the differences between the three states of matter.

Q. The properties of a _______ are different from its constituent particles.

1. mixture
2. suspension
3. compound
4. colloid

Q. Which of the following is/are true on the basis of kinetic theory of matter?

1. Solids have a definite volume and definite shape
2. Liquids have a definite volume, but no definite shape
3. Gases have no definite volume and no definite shape
4. All of the above

Q.

Question 5:

Fill in the blanks:

Air is a matter because it has ________and _____and it can be_________ _.

(b) The molecules are made up of _______.

(c) The quantity of matter in an object is called it’s _______.