प्रश्न-7 ग्रेफाइट एक अच्छा स्नेहक क्यों है?
Why graphite is a good lubricant?
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ᴇᴀᴄʜ ʟᴀʏᴇʀ ɪs ᴍᴀᴅᴇ ᴜᴘ ᴏғ ʜᴇxᴀɢᴏɴᴀʟʟʏ ʙᴏɴᴅᴇᴅ ᴄᴀʀʙᴏɴ ᴀᴛᴏᴍs. ᴛʜᴇ ғᴏʀᴄᴇs ᴏғ ᴀᴛᴛʀᴀᴄᴛɪᴏɴ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇsᴇ ʟᴀʏᴇʀs ᴀʀᴇ ᴡᴇᴀᴋ ᴠᴀɴ ᴅᴇʀ ᴡᴀᴀʟs ғᴏʀᴄᴇs. ᴅᴜᴇ ᴛᴏ ᴛʜɪs, ᴛʜᴇsᴇ ʟᴀʏᴇʀs ᴄᴀɴ sʟɪᴅᴇ ᴏᴠᴇʀ ᴇᴀᴄʜ ᴏᴛʜᴇʀ ᴀɴᴅ ᴛʜᴜs ɢʀᴀᴘʜɪᴛᴇ ᴄᴀɴ ʙᴇ ᴜsᴇ ᴀs ʟᴜʙʀɪᴄᴀɴᴛ.
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