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CHHAYA PUBLICATION-PREVIOUS YEARS QUESTION PAPER 2019-WBCHSE 2019 PART-B
- What is Nessler's reagent ? Where is it used ?
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- Which of the following is strongly attracted by magnetic field /
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- Charge carried by 1 mole PO4^(3-) ions is
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- Which of the following is lyophilic colloid ?
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- Which of the following is strongest base ?
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- Which of the following transition elements show +7 oxidation state ?
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- In which of the following metal ions hybridisation state in sp^3d^2 /
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- Which of the following is most reactive in SN2 reaction ?
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- Which of the following cannot be identified by iodoform test ?
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- Which of the following compounds does not respond to aldol condensatio...
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- Which of the following bases is not present in RNA ?
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- Which of the following bases is not condesation polymer ?
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- Which of the following is antihistamine drug ?
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- Which of the following is paracetamol ?
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- Arrange Li^(+), Na^(+) , and Rb^(+) ions in the ascending order of the...
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- What is the unit of electro-chemical equivalent ?
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- By which property of colloid, we can distinguish between colloidal sol...
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- Why is magnetic moment of ferric compounds more than ferrous compounds...
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- Write general electronic configuration of actinoids ?
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- Why is BHA added in butter ?
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