Question

12. State three advantages and one disadvantage of using chemical dyes
रासायनिक रंजको को प्रयोग करने के तीन लाभ और एक हानि बताइए।
IHIRAL
13. Rahim does not eat green leafy vegetables identify two nutrients whi
deficient in his diet. State two functions of each nutrient.
रहीम हरी पत्तेदार सब्जियाँ का सेवन नहीं करता। उसके आहार में किन दो पौष्टिक तत्वो की कर्म
प्रत्येक पौष्टिक तत्व के दो-दो कार्य बताएँ।
14. Write four reasons for keeping a record of your income and expendit​

Answer 1

Answer:

ᴛʜᴇ ᴅʏɪɴɢ ᴘʀᴏᴄᴇꜱꜱ ᴅɪꜱᴄʜᴀʀɢᴇꜱ ᴍᴀɴʏ ᴄʜᴇᴍɪᴄᴀʟꜱ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ᴘᴏʟʟᴜᴛᴇᴅ ᴡᴀᴛᴇʀ ᴀɴᴅ ᴄʜᴇᴍɪᴄᴀʟꜱ, ᴡʜɪᴄʜ ʀᴇꜱᴜʟᴛꜱ ɪɴ ᴛʜᴇ ᴅᴇᴀᴛʜ ᴏꜰ ᴀQᴜᴀᴛɪᴄ ʟɪꜰᴇ, ᴛʜᴇ ʀᴜɪɴɪɴɢ ᴏꜰ ꜱᴏɪʟꜱ ᴀɴᴅ ᴘᴏɪꜱᴏɴɪɴɢ ᴏꜰ ᴅʀɪɴᴋɪɴɢ ᴡᴀᴛᴇʀ. ... ᴀ ɢʀᴇᴀᴛ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛᴀʟ ᴄᴏɴᴄᴇʀɴ ᴡɪᴛʜ ᴅʏᴇꜱ ɪꜱ ᴛʜᴇ ᴀʙꜱᴏʀᴘᴛɪᴏɴ ᴀɴᴅ ʀᴇꜰʟᴇᴄᴛɪᴏɴ ᴏꜰ ꜱᴜɴʟɪɢʜᴛ ᴇɴᴛᴇʀɪɴɢ ᴛʜᴇ ᴡᴀᴛᴇʀ.

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Answer 2

Answer:

The three advantages are...

1. Same colour can be achieve repeatedly.

2. They are easier to buy and apply.

3. They are brighter.

One disadvantage is....

1. Harmful for the environment.

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