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NARENDRA AWASTHI-STOICHIOMETRY-Level 2 (Q.1 To Q.30)
- MnO(2) on ignition converts into Mn(3)O(4). A sample of pyrolusite hav...
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- A 1.0g sample of a pure organic compound cotaining chlorine is fused w...
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- A 0.6gm sample consisting of only CaC(2)O(4) and MgC(2)O(4) is heated ...
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- A metal M forms the sulphate M2(SO4)3. A0.596 gram sample of the sulph...
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- At identical temperature and pressure the rate of diffusion of hydroge...
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- 11.6g of an organic compound having formula Cn H(2n+2) is burnt in exc...
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- How many neutrons, protons & electrons are in oxygen (mass 17)
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- SO2 CI2 (sulphury chloride) reacts with water to given a mixture of H2...
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- 5 g sample contain only Na(2)CO(3) and Na(2)SO(4) . This sample is dis...
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- 20 mL of 0.2 M NaOH(aq) solution is mixed with 35 mL of this 0.1 ML N...
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- A silver coin weighing 11.34 g was dissolved in nitric acid When sodiu...
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- Two elements X (at.mass 16) and Y (at.mass 14) combine to form compoun...
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- The conversion of oxygen to ozone occurs to the extent of 15% only. Fi...
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- RH2 (ion exchange resin) can replace Ca^(2+) ions in hard water as RH2...
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- 100cm^3 of a solution of an acid (Molar mass =98) containing 29.4g of ...
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- 20mL of 0.1M solution of compound Na2CO3 . 2H2O is titrated against 0....
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- A sample containing HAsO2 (mol. mass =180) and weighing 3.78g is disso...
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- A mixture of FeO and Fe2 O3 is completely reacted with 100mL of 0.25M ...
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- To a 10mL, 1M aqueous solution of Br(2), excess of NaOH is added so th...
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- A mixture of H(2)SO(4) and H(2)C(2)O(4) (oxalic acid ) and some inert ...
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