DATE + While using sodine in the laboratory some drops of iodine fell on simi's socks and some fell fell on her teacher's sarce. The drops of iodine on the salvee turned blue black while their colour did not change the socks. What can be thee possible reason ?
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The laboratory some drops of iodine fell on simi's socks and some fell oon her teacher's saree . The drops of iodine on the saree turned blue black while their colour did not change on the socks. The possible reasons for colour change of saree is due to the presence of starch on it, their by colour do not change.
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a man steals ₹2000 from a stor's counter. Then he buy's ₹1500 worth of goods from that store using the 2000 note , and gets ₹500 change back.
How much money did the store lose?
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