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PATHFINDER-S-BLOCK ELEMENTS-QUESTION BANK
- 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...
01:04
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- Explain why : Lithium on being heated in air mainly forms the monoxide...
02:41
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- Explain why : K, Rb, and Cs, on being heated in the presence of excess...
04:37
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- Why aqueous solution of Na2CO3 is alkaline.
02:11
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- Give reasons for the following: In aqueous solution, Li^+ ion has lowe...
05:42
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- Account for the following: LiCl has lower melting point than NaCl.
02:57
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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
01:57
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- Give reasons for the following: In aqueous solution, Li^+ ion has lowe...
05:42
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- Account for the following: LiCl has lower melting point than NaCl.
02:57
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- Nitrogen gas reacts with metal A at room temperature to form white sol...
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- Give the main reasons for anomalous behaviors Be.
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- Give the difference between Be and Mg.
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- Name the gases produced when Be2C and MgC2 is treated with H2O.
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- Give 2 anomalous behaviour of Li.
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- Give the main reasons for anomalous behaviors Li.
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- Explain why sodium is less reactive than potassium.
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