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ALLEN-S-BLOCK ELEMENTS -EXERCISE
- Only those elements of s-block can produce superoxides which have:-
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- In the Down's method for the extraction of sodium, the melting point o...
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- Which of the following carbonate will not decompose on heating:-
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- The decomposition temperature is maximum for:-
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- Metallic magnesium is prepared by-
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- Alum is the name used for all double salts having the composition M(2)...
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- Which valuable byproduct is obtained in the Down's process for extract...
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- Which does not exists in solid state
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- Alkali metals dissolve in liquid NH(3) then which of the following obs...
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- On passing excess of CO(2) in lime water, its milky appearance disappe...
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- Which of the carbide will give methane when reacts with water-
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- Alkali metals give colour in bunsen flame due to-
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- In the preparation of sodium carbonate which of the following is used-
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- Hardest s-block metal is-
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- An ingredient of banking powder is-
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- Which of the following metals can easily be cut with a knife?
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- Which of the following ions forms a hydoxide that is highly soluble in...
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- The sodium carbonate is manufactured by-
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- When NaCI is dissolved in water, the sodium ion is-
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- The excess of NaOH reacts with zinc to form-
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