Question

definitions of the following terms: matter, expansion, contraction, solution, solute, solvent, miscible liquids, immiscible liquids, physical and chemical change.

Answer 1

Answer:

• Matter: Anything that occupies space and has weight is called matter.
• Expansion: When an object grows in size to occupy more space, it is called expansion.
• Contraction: When an object reduces in size to occupy less space, it is called contraction.
• solution: It is a mixture of a solute and a solvent.
• Solute: Something that dissolves in solvent to form solution
• solvent: The item which is present in larger quantity in solution in which the solute dissolves.
• Miscible liquids: Two liquids which readily mix together
• Immiscible Liquids: Two liquids which do not mix together. Instead they form layers.
• Physical change: A change in which physical properties are affected. No new substance is formed.
• Chemical Change: A change in which chemical properties are affectd. New substance is formed.

Hope it helps. It took a lot of hard work to type all this. Please mark as brainliest.   :)

Answer 2

Answer:

ᴍɪss ᴍᴀsᴛᴇʀᴍɪɴᴅ~❤️

ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇs ᴏᴄᴄᴜʀ ᴡʜᴇɴ ᴀ sᴜʙsᴛᴀɴᴄᴇ ᴄᴏᴍʙɪɴᴇs ᴡɪᴛʜ ᴀɴᴏᴛʜᴇʀ ᴛᴏ ғᴏʀᴍ ᴀ ɴᴇᴡ sᴜʙsᴛᴀɴᴄᴇ, ᴄᴀʟʟᴇᴅ ᴄʜᴇᴍɪᴄᴀʟ sʏɴᴛʜᴇsɪs ᴏʀ, ᴀʟᴛᴇʀɴᴀᴛɪᴠᴇʟʏ, ᴄʜᴇᴍɪᴄᴀʟ ᴅᴇᴄᴏᴍᴘᴏsɪᴛɪᴏɴ ɪɴᴛᴏ ᴛᴡᴏ ᴏʀ ᴍᴏʀᴇ ᴅɪғғᴇʀᴇɴᴛ sᴜʙsᴛᴀɴᴄᴇs. ᴛʜᴇsᴇ ᴘʀᴏᴄᴇssᴇs ᴀʀᴇ ᴄᴀʟʟᴇᴅ ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴs ᴀɴᴅ, ɪɴ ɢᴇɴᴇʀᴀʟ, ᴀʀᴇ ɴᴏᴛ ʀᴇᴠᴇʀsɪʙʟᴇ ᴇxᴄᴇᴘᴛ ʙʏ ғᴜʀᴛʜᴇʀ ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴs.