Question

$\huge \mathbb \color{cyan}{Question - }$

1) To which physical state of matter do the following statements apply?
(i) Incompressible, no fixed shape
(ii) Compressible, no definite volume

2)When 50 g of sugar is dissolved in 100 mL of water, there is no increase in volume. What characteristic of matter is illustrated by this observation?

3) What happens when an inflated air balloon is pricked with a pin? Name the property of the gaseous state exhibited by this observation.

4)Give two ways in which melting points and boiling points can be useful.

Note:-
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Answer 1

Answers :

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$\huge\underline{ \boxed{ \sf{ \purple{answer \: 1}}}}$

(A). This statement "incompressible, no fixed shape" is applicable for the liquid states of the matter.

(B). This statement "compressible , no definite volume" is applicable for the solid states of the matter

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$\huge\underline{ \boxed{ \sf{ \purple{answer \: 2}}}}$

When a 50gm of sugar is added to a beaker containing 100ml of water and is stirred for a while :

1. We observe that sugar get dissolve
2. level of water after dissolving sugar is same as before adding sugar. That means there is no increase in its volume.
3. we can conclude that there as spaces between the particles of water and these spaces accommodate sugar particles.
4. Particles in water are not tightly packed they have spaces in between them.

__________________________________________

____________________________________

$\huge\underline{ \boxed{ \sf{ \purple{answer \: 3}}}}$

ᴡʜᴇɴ ʏᴏᴜ ʙʟᴏᴡ ᴀɪʀ ɪɴᴛᴏ ᴀ ʙᴀʟʟᴏᴏɴ, ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ꜱᴛʀᴇᴛᴄʜᴇꜱ ᴀɴᴅ ᴇxᴘᴀɴᴅꜱ ᴜɴᴛɪʟ ᴀɴ ᴇQᴜɪʟɪʙʀɪᴜᴍ ɪꜱ ʀᴇᴀᴄʜᴇᴅ. ᴏɴ ᴛʜᴇ ɪɴꜱɪᴅᴇ, ᴀɪʀ ᴍᴏʟᴇᴄᴜʟᴇꜱ ᴀʀᴇ ᴄᴏʟʟɪᴅɪɴɢ ᴡɪᴛʜ ᴛʜᴇ ɪɴꜱɪᴅᴇ ꜱᴜʀꜰᴀᴄᴇ ᴏꜰ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ, ᴘᴜꜱʜɪɴɢ ɪᴛ ᴏᴜᴛᴡᴀʀᴅ. ᴏɴ ᴛʜᴇ ᴏᴜᴛꜱɪᴅᴇ, ᴛʜᴇ ᴍᴏʟᴇᴄᴜʟᴇꜱ ᴏꜰ ᴛʜᴇ ᴀɪʀ ɪɴ ᴛʜᴇ ʀᴏᴏᴍ ᴀʀᴇ ᴛʜᴜᴅᴅɪɴɢ ᴀɢᴀɪɴꜱᴛ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ, ᴀᴄᴛɪɴɢ ᴀɢᴀɪɴꜱᴛ ɪᴛ ᴇxᴘᴀɴᴅɪɴɢ ᴀɴʏ ᴍᴏʀᴇ. ᴀʟꜱᴏ, ᴛʜᴇ ᴇʟᴀꜱᴛɪᴄ ꜰᴏʀᴄᴇ ᴏꜰ ᴛʜᴇ ᴍᴀᴛᴇʀɪᴀʟ ᴏꜰ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ɪꜱ ᴛʀʏɪɴɢ ᴛᴏ ꜱʜʀɪɴᴋ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ. ᴇᴀᴄʜ ᴍᴏʟᴇᴄᴜʟᴇ ᴏꜰ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ʜᴀꜱ ʀᴏᴜɢʜʟʏ ᴛʜᴇ ꜱᴀᴍᴇ ꜰᴏʀᴄᴇ ʀᴇꜱɪꜱᴛɪɴɢ ᴛʜᴇ ꜱᴛʀᴇᴛᴄʜ ɪɴ ᴀʟʟ ᴅɪʀᴇᴄᴛɪᴏɴꜱ. (ᴛʜᴇ ᴏɴʟʏ ɪᴍʙᴀʟᴀɴᴄᴇ ɪꜱ ᴀᴛ ᴛʜᴇ ᴘʟᴀᴄᴇ ʏᴏᴜ ᴀʀᴇ ʙʟᴏᴡɪɴɢ, ᴀɴᴅ ꜱᴏᴍᴇ ɴᴏɴ-ꜱʏᴍᴍᴇᴛʀɪᴄᴀʟ ᴇꜰꜰᴇᴄᴛꜱ ꜰᴏʀ ᴀ ɴᴏɴ-ꜱᴘʜᴇʀɪᴄᴀʟ ʙᴀʟʟᴏᴏɴ. ʙᴜᴛ ᴍᴏꜱᴛ ᴏꜰ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ᴍᴏʟᴇᴄᴜʟᴇꜱ ᴀʀᴇ ʙᴇɪɴɢ ᴘᴜʟʟᴇᴅ ʙʏ ᴛʜᴇɪʀ ɴᴇɪɢʜʙᴏᴜʀꜱ ɪɴ ʀᴏᴜɢʜʟʏ ᴇQᴜᴀʟ ᴀᴍᴏᴜɴᴛꜱ ɪɴ ᴀʟʟ ᴅɪʀᴇᴄᴛɪᴏɴ.) ᴡʜᴇɴ ʏᴏᴜ ᴘʀɪᴄᴋ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ, ᴀɪʀ ᴇꜱᴄᴀᴘᴇꜱ. ᴏɴ ᴀ ᴄᴏɴᴛʀᴏʟʟᴇᴅ ᴇꜱᴄᴀᴘᴇ, ʟɪᴋᴇ ᴡʜᴇɴ ʏᴏᴜ ᴊᴜꜱᴛ ʀᴇʟᴇᴀꜱᴇ ᴀɴ ᴜɴᴛɪᴇᴅ ʙᴀʟʟᴏᴏɴ, ɪᴛ ᴀᴄᴛꜱ ᴀꜱ ᴀ ᴊᴇᴛ ᴇɴɢɪɴᴇ ᴀɴᴅ ꜱʜᴏᴏᴛꜱ ᴀᴄʀᴏꜱꜱ ᴛʜᴇ ʀᴏᴏᴍ. ɪɴ ᴀɴ ᴜɴᴄᴏɴᴛʀᴏʟʟᴇᴅ ᴇꜱᴄᴀᴘᴇ, ᴡʜᴇɴ ʏᴏᴜ ᴘʀɪᴄᴋ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ, ꜱᴜᴅᴅᴇɴʟʏ ᴀ ɢʀᴇᴀᴛ ᴅᴇᴀʟ ᴏꜰ ꜱᴜʀꜰᴀᴄᴇ ᴀʀᴇᴀ ʟᴏꜱᴇꜱ ɪᴛꜱ ᴇʟᴀꜱᴛɪᴄ ʙᴀʟᴀɴᴄᴇ. ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ᴅᴇꜰʟᴀᴛᴇꜱ Qᴜɪᴄᴋʟʏ ᴀꜱ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ’ꜱ ꜱᴋɪɴ ʀᴇꜱᴜᴍᴇꜱ ɪᴛꜱ ᴏʀɪɢɪɴᴀʟ ᴜɴᴇxᴘᴀɴᴅᴇᴅ ꜱᴛᴀᴛᴇ.

__________________________________________

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$\huge\underline{ \boxed{ \sf{ \purple{answer \: 4}}}}$

The two ways in which the boiling and melting points can be useful are :

1. With the help of these points we can check weather the substance is pure or not.
2. also we can identify the characterise the substance.

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Hope you understand this answer

Answer 2

Answer:

answer1.

(A). This statement "incompressible, no fixed shape" is applicable for the liquid states of the matter.

(B). This statement "compressible , no definite volume" is applicable for the solid states of the matter

answer2.

• We observe that sugar get dissolve
• level of water after dissolving sugar is same as before adding sugar. That means there is no increase in its volume.
• we can conclude that there as spaces between the particles of water and these spaces accommodate sugar particles.
• Particles in water are not tightly packed they have spaces in between them.

answer3.

• ᴡʜᴇɴ ʏᴏᴜ ʙʟᴏᴡ ᴀɪʀ ɪɴᴛᴏ ᴀ ʙᴀʟʟᴏᴏɴ, ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ꜱᴛʀᴇᴛᴄʜᴇꜱ ᴀɴᴅ ᴇxᴘᴀɴᴅꜱ ᴜɴᴛɪʟ ᴀɴ ᴇQᴜɪʟɪʙʀɪᴜᴍ ɪꜱ ʀᴇᴀᴄʜᴇᴅ. ᴏɴ ᴛʜᴇ ɪɴꜱɪᴅᴇ, ᴀɪʀ ᴍᴏʟᴇᴄᴜʟᴇꜱ ᴀʀᴇ ᴄᴏʟʟɪᴅɪɴɢ ᴡɪᴛʜ ᴛʜᴇ ɪɴꜱɪᴅᴇ ꜱᴜʀꜰᴀᴄᴇ ᴏꜰ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ, ᴘᴜꜱʜɪɴɢ ɪᴛ ᴏᴜᴛᴡᴀʀᴅ. ᴏɴ ᴛʜᴇ ᴏᴜᴛꜱɪᴅᴇ, ᴛʜᴇ ᴍᴏʟᴇᴄᴜʟᴇꜱ ᴏꜰ ᴛʜᴇ ᴀɪʀ ɪɴ ᴛʜᴇ ʀᴏᴏᴍ ᴀʀᴇ ᴛʜᴜᴅᴅɪɴɢ ᴀɢᴀɪɴꜱᴛ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ, ᴀᴄᴛɪɴɢ ᴀɢᴀɪɴꜱᴛ ɪᴛ ᴇxᴘᴀɴᴅɪɴɢ ᴀɴʏ ᴍᴏʀᴇ. ᴀʟꜱᴏ, ᴛʜᴇ ᴇʟᴀꜱᴛɪᴄ ꜰᴏʀᴄᴇ ᴏꜰ ᴛʜᴇ ᴍᴀᴛᴇʀɪᴀʟ ᴏꜰ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ɪꜱ ᴛʀʏɪɴɢ ᴛᴏ ꜱʜʀɪɴᴋ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ. ᴇᴀᴄʜ ᴍᴏʟᴇᴄᴜʟᴇ ᴏꜰ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ʜᴀꜱ ʀᴏᴜɢʜʟʏ ᴛʜᴇ ꜱᴀᴍᴇ ꜰᴏʀᴄᴇ ʀᴇꜱɪꜱᴛɪɴɢ ᴛʜᴇ ꜱᴛʀᴇᴛᴄʜ ɪɴ ᴀʟʟ ᴅɪʀᴇᴄᴛɪᴏɴꜱ.
• ᴀʀᴇ ʙʟᴏᴡɪɴɢ, ᴀɴᴅ ꜱᴏᴍᴇ ɴᴏɴ-ꜱʏᴍᴍᴇᴛʀɪᴄᴀʟ ᴇꜰꜰᴇᴄᴛꜱ ꜰᴏʀ ᴀ ɴᴏɴ-ꜱᴘʜᴇʀɪᴄᴀʟ ʙᴀʟʟᴏᴏɴ. ʙᴜᴛ ᴍᴏꜱᴛ ᴏꜰ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ᴍᴏʟᴇᴄᴜʟᴇꜱ ᴀʀᴇ ʙᴇɪɴɢ ᴘᴜʟʟᴇᴅ ʙʏ ᴛʜᴇɪʀ ɴᴇɪɢʜʙᴏᴜʀꜱ ɪɴ ʀᴏᴜɢʜʟʏ ᴇQᴜᴀʟ ᴀᴍᴏᴜɴᴛꜱ ɪɴ ᴀʟʟ ᴅɪʀᴇᴄᴛɪᴏɴ.) ᴡʜᴇɴ ʏᴏᴜ ᴘʀɪᴄᴋ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ, ᴀɪʀ ᴇꜱᴄᴀᴘᴇꜱ. ᴏɴ ᴀ ᴄᴏɴᴛʀᴏʟʟᴇᴅ ᴇꜱᴄᴀᴘᴇ, ʟɪᴋᴇ ᴡʜᴇɴ ʏᴏᴜ ᴊᴜꜱᴛ ʀᴇʟᴇᴀꜱᴇ ᴀɴ ᴜɴᴛɪᴇᴅ ʙᴀʟʟᴏᴏɴ, ɪᴛ ᴀᴄᴛꜱ ᴀꜱ ᴀ ᴊᴇᴛ ᴇɴɢɪɴᴇ ᴀɴᴅ ꜱʜᴏᴏᴛꜱ ᴀᴄʀᴏꜱꜱ ᴛʜᴇ ʀᴏᴏᴍ. ɪɴ ᴀɴ ᴜɴᴄᴏɴᴛʀᴏʟʟᴇᴅ ᴇꜱᴄᴀᴘᴇ, ᴡʜᴇɴ ʏᴏᴜ ᴘʀɪᴄᴋ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ, ꜱᴜᴅᴅᴇɴʟʏ ᴀ ɢʀᴇᴀᴛ ᴅᴇᴀʟ ᴏꜰ ꜱᴜʀꜰᴀᴄᴇ ᴀʀᴇᴀ ʟᴏꜱᴇꜱ ɪᴛꜱ ᴇʟᴀꜱᴛɪᴄ ʙᴀʟᴀɴᴄᴇ. ᴛʜᴇ ʙᴀʟʟᴏᴏɴ ᴅᴇꜰʟᴀᴛᴇꜱ Qᴜɪᴄᴋʟʏ ᴀꜱ ᴛʜᴇ ʙᴀʟʟᴏᴏɴ’ꜱ ꜱᴋɪɴ ʀᴇꜱᴜᴍᴇꜱ ɪᴛꜱ ᴏʀɪɢɪɴᴀʟ ᴜɴᴇxᴘᴀɴᴅᴇᴅ ꜱᴛᴀᴛᴇ.

answer4.

The two ways are : -

• With the help of these points we can check weather the substance is pure or not.
• also we can identify the characterise the substance.

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