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PATHFINDER-S-BLOCK ELEMENTS-QUESTION BANK
- Questions carrying two marks : Write balanced equations for reactions ...
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- How is BeCl2 prepared ? What is its structure in solid state and vapou...
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- What is hydrolith ? How is it prepared?
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- Questions carrying two marks : Beryllium and magnesium do not give co...
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- Questions carrying 2 marks : Addition of NaOH solution to a solution o...
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- Questions carrying 2 marks : What is magnesia cement? Give its compos...
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- Give chemical equations for the various reactions taking place during ...
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- Chlorination of calcium hydroxide produces bleaching powder. Write its...
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- What happens when : Carbon dioxide gas is passed through an aqueous so...
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- What happens when : Potassium carbonate is heated with milk of lime. G...
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- What happens when : Lithium nitrate is heated. Give chemical equations...
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- Explain why : Lithium on being heated in air mainly forms the monoxide...
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- Explain why : K, Rb, and Cs, on being heated in the presence of excess...
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- Why aqueous solution of Na2CO3 is alkaline.
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- Give reasons for the following: In aqueous solution, Li^+ ion has lowe...
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- Account for the following: LiCl has lower melting point than NaCl.
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- NaCl has higher melting point that KCl.
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- How would you distinguish between. BeSO4 and BaSO4
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- How would you distinguish between. KNO3 and LiNO3
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- How would you distinguish between. NaHCO3 and Na2CO3
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