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QUADRILATERALS - NCERT
If APB and CQD are two parallel lines, then the bisectors of the angles APQ, BPQ, CQP and PQD form (A) a square (B) a rhombus (C) a rectangle (D) any other parallelogram 9. The figure obtained by joining the mid-points of the sides of a rhombus, taken in order, is (A) a rhombus (B) a rectangle (C) a square (D) any parallelogram 10.
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www.ncert.nic.in317 Alcohols, Phenols and Ethers Allylic and benzylic alcohols may be primary, secondary or tertiary. (ii) Compounds containing C OHsp2 − bond: These alcohols contain —OH group bonded to a carbon-carbon double bond i.e., to a
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