Question

Explain the following giving examples
(a) saturated solution
(b)
pure substance
(c) colloid
(d) suspension​

Answer 1

♥ Saturated Solution :- A solution in which no more solute can be dissolved in the solvent .

E.g - Table salt

♥ Pure substance :- Substances that are made up of only one type of atom or molecule .

E.g - Water

♥ Colloid :- It is a mixture in which one substance of microscopically dispersed insoluble or soluble particles is suspended throughout another substance .

E.g - Milk

♥ Suspension :- It is a heterogeneous mixture in which the solute particles do not dissolve , but get suspended throughout the bulk of the solvent , left floating around freely in the medium .

E.g - Mixture of chalk & water

Answer 2

Answer:

(ᴀ) ᴛʜᴇ ᴛᴇʀᴍ sᴀᴛᴜʀᴀᴛᴇᴅ sᴏʟᴜᴛɪᴏɴ ɪs ᴜsᴇᴅ ɪɴ ᴄʜᴇᴍɪsᴛʀʏ ᴛᴏ ᴅᴇғɪɴᴇ ᴀ sᴏʟᴜᴛɪᴏɴ ɪɴ ᴡʜɪᴄʜ ɴᴏ ᴍᴏʀᴇ sᴏʟᴠᴇɴᴛ ᴄᴀɴ ʙᴇ ᴅɪssᴏʟᴠᴇᴅ. ɪᴛ ɪs ᴜɴᴅᴇʀsᴛᴏᴏᴅ ᴛʜᴀᴛ sᴀᴛᴜʀᴀᴛɪᴏɴ ᴏғ ᴛʜᴇ sᴏʟᴜᴛɪᴏɴ ʜᴀs ʙᴇᴇɴ ᴀᴄʜɪᴇᴠᴇᴅ ᴡʜᴇɴ ᴀɴʏ ᴀᴅᴅɪᴛɪᴏɴᴀʟ sᴜʙsᴛᴀɴᴄᴇ ᴛʜᴀᴛ ɪs ᴀᴅᴅᴇᴅ ʀᴇsᴜʟᴛs ɪɴ ᴀ sᴏʟɪᴅ ᴘʀᴇᴄɪᴘɪᴛᴀᴛᴇ ᴏʀ ɪs ʟᴇᴛ ᴏғғ ᴀs ᴀ ɢᴀs. ᴇɢ: sᴀʟᴛᴡᴀᴛᴇʀ(ʙ) ᴘᴜʀᴇ sᴜʙsᴛᴀɴᴄᴇ: ᴀ ᴍᴀᴛᴇʀɪᴀʟ ᴛʜᴀᴛ ɪs ᴄᴏᴍᴘᴏsᴇᴅ ᴏғ ᴏɴʟʏ ᴏɴᴇ ᴛʏᴘᴇ ᴏғ ᴘᴀʀᴛɪᴄʟᴇ.ᴇɢ: ɢᴏʟᴅ, ᴏxʏɢᴇɴ ᴀɴᴅ ᴡᴀᴛᴇʀ.(ᴄ) ᴄᴏʟʟᴏɪᴅ: ᴀ ʜᴏᴍᴏɢᴇɴᴇᴏᴜs ɴᴏɴ-ᴄʀʏsᴛᴀʟʟɪɴᴇ sᴜʙsᴛᴀɴᴄᴇ ᴄᴏɴsɪsᴛɪɴɢ ᴏғ ʟᴀʀɢᴇ ᴍᴏʟᴇᴄᴜʟᴇs ᴏʀ ᴜʟᴛʀᴀᴍɪᴄʀᴏsᴄᴏᴘɪᴄ ᴘᴀʀᴛɪᴄʟᴇs ᴏғ ᴏɴᴇ sᴜʙsᴛᴀɴᴄᴇ ᴅɪsᴘᴇʀsᴇᴅ ᴛʜʀᴏᴜɢʜ ᴀ sᴇᴄᴏɴᴅ sᴜʙsᴛᴀɴᴄᴇ.ᴇɢ: ɢᴇʟs, sᴏʟs ᴀɴᴅ ᴇᴍᴜʟsɪᴏɴs.