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ALLEN-S-BLOCK ELEMENTS -EXERCISE
- Beryllium is placed above magnesium in the II group. Beryllium dust, t...
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- Potassium is kept in
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- Which of the following is not present in cement ?
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- A wire of an alkaline earth metal X, burnt in air and dipped in water,...
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- Which of the following statement is correct for s-block elements:
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- One element which is used in flash light in photography, when heated w...
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- The s-block hydride with covalent polymeric structure are
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- Assertion: Na(2)O(2) is coloured and paramagnetic Reason: Na(2)O(2) ...
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- Assertion: KHCO(3) can not be obtained by solvay process. Reason: KH...
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- Assertion: Mg can burn in the atmosphere of N(2). Reason: Mg reacts ...
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- Assertion: Li(2)SO(4) do not form double salt like alum. Reason: Ato...
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- Assertion: Li and Mg shows similar chemical properties. Reason Li an...
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- Assertion: NaCI when exposed in air it becomes wet. Reason: NaCI con...
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- Assertion: Lithium is most reducing element. Reason: IP of lithium i...
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- Assertion: Lithium is the weakest reducing agent among alkali metals. ...
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- Assertion: When cement is mixed with water and left as such, it become...
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- Assertion: Beryllium is most reducing s-block element Reason: Hydrat...
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- Assertion: Halides of Be dissolve in organic solvents Reason: Atomic...
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- Assertion: Be has complex formation tendency Reason: Be is s-block e...
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- Assertion: Be exhibit photoelectric effect. Reason: Be has least IP ...
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