Assertion - sugar is a pure substance
Reason: sugar is homogeneous it has definite and invariable chemical composition as well as Physical and chemical properties.
Answers
Given sentence :-
Assertion :
Sugar is a pure substance
Reason :
Sugar is homogeneous it has a definite and in variable chemical composition as well as physical and chemical property .
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In the above sentence reason is correct but Assertion Is wrong . Sugar is not a pure substance whereas it is a composition of various chemical properties . C12H22O11 is chemical property of suger . We know that sugar is composed of starch present in the plants and this stage comes from the process of photosynthesis.
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Answer
sᴜʙsᴛᴀɴᴄᴇs ᴡʜɪᴄʜ ᴀʀᴇ ᴍᴀᴅᴇ ᴜᴘ ᴏғ ᴏɴʟʏ ᴏɴᴇ ᴋɪɴᴅ ᴏғ ᴀᴛᴏᴍs ᴏʀ ᴍᴏʟᴇᴄᴜʟᴇs ᴀɴᴅ ʜᴀᴠᴇ ᴀ ᴅᴇғɪɴɪᴛᴇ ᴄᴏᴍᴘᴏsɪᴛɪᴏɴ ᴛʜʀᴏᴜɢʜᴏᴜᴛ ᴀɴᴅ ʜᴀᴠᴇ ᴀ ғɪxᴇᴅ sᴛʀᴜᴄᴛᴜʀᴇ ᴀʀᴇ ᴋɴᴏᴡɴ ᴀs ᴘᴜʀᴇ sᴜʙsᴛᴀɴᴄᴇs. ғᴏʀ ɪɴsᴛᴀɴᴄᴇ ᴀ ᴄᴇʀᴛᴀɪɴ ᴄᴏᴍᴘᴏᴜɴᴅ ᴄᴏɴᴛᴀɪɴs ᴇʟᴇᴍᴇɴᴛs ɪɴ ᴀ ғɪxᴇᴅ ᴘʀᴏᴘᴏʀᴛɪᴏɴ ʙʏ ᴍᴀss ᴀʟᴡᴀʏs.
ᴇʟᴇᴍᴇɴᴛs ᴀɴᴅ ᴄᴏᴍᴘᴏᴜɴᴅs ᴀʀᴇ ᴘᴜʀᴇ sᴜʙsᴛᴀɴᴄᴇs. ᴇʟᴇᴍᴇɴᴛs ᴀʀᴇ sᴜʙsᴛᴀɴᴄᴇs ᴄᴏᴍᴘᴏsᴇᴅ ᴜᴘ ᴏғ ᴏɴʟʏ ᴏɴᴇ ᴛʏᴘᴇ ᴏғ ᴀᴛᴏᴍ. ᴄᴏᴘᴘᴇʀ ᴍᴇᴛᴀʟ, sɪʟᴠᴇʀ ᴍᴇᴛᴀʟ, ᴏxʏɢᴇɴ ɢᴀs, ᴇᴛᴄ. ᴀʀᴇ ᴀʟʟ ᴇʟᴇᴍᴇɴᴛs. ᴡʜɪʟᴇ ᴄᴏᴍᴘᴏᴜɴᴅs ᴀʀᴇ sᴜʙsᴛᴀɴᴄᴇs ғᴏʀᴍᴇᴅ ʙʏ ᴛʜᴇ ᴄᴏᴍʙɪɴᴀᴛɪᴏɴ ᴏғ ᴛᴡᴏ ᴏʀ ᴍᴏʀᴇ ᴇʟᴇᴍᴇɴᴛs ɪɴ ᴀ ᴅᴇғɪɴɪᴛᴇ ʀᴀᴛɪᴏ. ᴡᴀᴛᴇʀ ɪs ᴀ ᴄᴏᴍᴘᴏᴜɴᴅ ᴀs ɪᴛ ɪs ғᴏʀᴍᴇᴅ ʙʏ ᴛʜᴇ ᴄᴏᴍʙɪɴᴀᴛɪᴏɴ ᴏғ ʜʏᴅʀᴏɢᴇɴ ᴀɴᴅ ᴏxʏɢᴇɴ (ᴇʟᴇᴍᴇɴᴛs) ɪɴ ᴀ ғɪxᴇᴅ ʀᴀᴛɪᴏ. ɪᴛ ʜᴀs ᴀ ᴄᴏɴsᴛᴀɴᴛ ᴄᴏᴍᴘᴏsɪᴛɪᴏɴ ᴛʜʀᴏᴜɢʜᴏᴜᴛ.
sɪᴍɪʟᴀʀʟʏ, sᴜɢᴀʀ ɪs ᴀ ᴄᴏᴍᴘᴏᴜɴᴅ ᴄᴏᴍᴘᴏsᴇᴅ ᴏғ ᴄᴀʀʙᴏɴ, ʜʏᴅʀᴏɢᴇɴ ᴀɴᴅ ᴏxʏɢᴇɴ. ɪᴛ ʜᴀs ᴀ ғɪxᴇᴅ ᴄᴏᴍᴘᴏsɪᴛɪᴏɴ ᴛʜʀᴏᴜɢʜᴏᴜᴛ ᴀɴᴅ ᴛʜᴜs ɪs ᴀ ᴘᴜʀᴇ sᴜʙsᴛᴀɴᴄᴇ. ᴡᴇ ᴄᴀɴ sᴀʏ ᴛʜᴀᴛ ʙᴏᴛʜ ᴛʜᴇ ᴀssᴇʀᴛɪᴏɴ ᴀɴᴅ ᴛʜᴇ ʀᴇᴀsᴏɴ ᴀʀᴇ ᴄᴏʀʀᴇᴄᴛ ᴀɴᴅ ʀᴇᴀsᴏɴ ɪs ᴛʜᴇ ᴄᴏʀʀᴇᴄᴛ ᴇxᴘʟᴀɴᴀᴛɪᴏɴ ғᴏʀ ᴀssᴇʀᴛɪᴏɴ
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