Question

Describe an activity to observe what happens when quick lime is added to water taken in a beaker. State two important observations and name the type of reaction taking place.

Answer 1

Heyaa☺
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▶When quick lime is added to water taken in beaker.

OBSERVATIONS:-

⚫Water in beaker turns to white colour.

⚫The beaker is hot,as it releases heat energy.

▶The reaction takes place in this situation is exothermic reaction.

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Answer 2

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ᴄᴀʟᴄɪᴜᴍ ᴏxɪᴅᴇ ʀᴇᴀᴄᴛs ᴡɪᴛʜ ᴡᴀᴛᴇʀ ᴠɪɢᴏʀᴏᴜsʟʏ ᴛᴏ ғᴏʀᴍ ᴄᴀʟᴄɪᴜᴍ ʜʏᴅʀᴏxɪᴅᴇ ᴡɪᴛʜ ᴛʜᴇ ᴇᴠᴏʟᴜᴛɪᴏɴ ᴏғ ʜᴇᴀᴛ.

${\fbox{\sf{\pink{CaO (s) + H₂O (ℓ) \: ➟ \: CA(OH)₂ + Heat}}}}$

ɪᴛ ɪs ᴀ ᴄᴏᴍʙɪɴᴀᴛɪᴏɴ ʀᴇᴀᴄᴛɪᴏɴ. ɪᴛ ɪs ᴀɴ ᴇxᴏᴛʜᴇʀᴍɪᴄ ᴘʀᴏᴄᴇss ʙᴇᴄᴀᴜsᴇ ʜᴇᴀᴛ ɪs ᴇᴠᴏʟᴠᴇᴅ.

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