8. ਰੋਹਨ ਨੇ ਆਪਣੀ ਕਮੀਜ਼ ਤੇ ਸਬਜ਼ੀ ਦੇ ਪੀਲੇ ਦਾਗ
ਦੇਖੇ। ਜਦੋਂ ਉਸਨੇ ਆਪਣੀ ਕਮੀਜ਼ ਨੂੰ ਸਾਬਣ ਦੇ ਘੋਲ
ਵਿਚ ਡੁਬੋਇਆ ਤਾਂ ਦਾਗ ਦਾ ਪੀਲਾ ਰੰਗ ਲਾਲ ਹੋ
ਗਿਆ। ਇਸ ਤਰ੍ਹਾਂ ਕਿਉਂ ਹੋਇਆ? Rohan had
noticed Yellow spots of vegetable on
His shirt. When he immersed his shirt
into soap solution the yellow colour
of spot changed into red. Why had it
Happened? ਵੀਰ ਜੋ ਧਰੀ ਸੀ ਧਦ ਬੜੀ
कि पीले दाग देखे। अब उसने अपनी कमीज़ को
साबुन के घोल में डुबोया तो दाग का रंग लाल हो
ਗਧਾ। ਥੈ ਛੁਆ?
Answers
Answered by
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Answer:
Answer is below only check it.
Explanation:
Turmeric is a natural indicator which changes its yellow colour into reddish brown when it comes in contact with a solution of base. Hence, when soap (which is basic in nature) is scrubbed on the stain, the stain turns red.
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