Question

Q. State law of conservation of mass and law of constant proportion.


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Answer 1

Answer:

Laws of conservation of mass - It states that mass can neither created nor destroyed. The total mass before and after a chemical reaction remains constant. Laws of constant proportion - It states that in a chemical substance the elements are always present in a fixed proportion by their mass.

Explanation:

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Answer 2

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ʟᴀᴡꜱ ᴏꜰ ᴄᴏɴꜱᴇʀᴠᴀᴛɪᴏɴ ᴏꜰ ᴍᴀꜱꜱ - ɪᴛ ꜱᴛᴀᴛᴇꜱ ᴛʜᴀᴛ ᴍᴀꜱꜱ ᴄᴀɴ ɴᴇɪᴛʜᴇʀ ᴄʀᴇᴀᴛᴇᴅ ɴᴏʀ ᴅᴇꜱᴛʀᴏʏᴇᴅ. ᴛʜᴇ ᴛᴏᴛᴀʟ ᴍᴀꜱꜱ ʙᴇꜰᴏʀᴇ ᴀɴᴅ ᴀꜰᴛᴇʀ ᴀ ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴ ʀᴇᴍᴀɪɴꜱ ᴄᴏɴꜱᴛᴀɴᴛ. ʟᴀᴡꜱ ᴏꜰ ᴄᴏɴꜱᴛᴀɴᴛ ᴘʀᴏᴘᴏʀᴛɪᴏɴ - ɪᴛ ꜱᴛᴀᴛᴇꜱ ᴛʜᴀᴛ ɪɴ ᴀ ᴄʜᴇᴍɪᴄᴀʟ ꜱᴜʙꜱᴛᴀɴᴄᴇ ᴛʜᴇ ᴇʟᴇᴍᴇɴᴛꜱ ᴀʀᴇ ᴀʟᴡᴀʏꜱ ᴘʀᴇꜱᴇɴᴛ ɪɴ ᴀ ꜰɪxᴇᴅ ᴘʀᴏᴘᴏʀᴛɪᴏɴ ʙʏ ᴛʜᴇɪʀ ᴍᴀꜱꜱ.