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TARGET PUBLICATION-S-BLOCK ELEMENTS-QUESTION
- The substance used pure fats and oils is .
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- Which gas is evolved when NaHCO(3) is heated ?
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- Toughened bearings are made using alloy
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- is an excellent abdorbent of carbon dioxide .
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- the material used in photoelectric cells contains ,
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- Sodium and potassium ions maintain .
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- Which of the following is FALSE ?
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- The alkaline earth metals Ba,Sr ,Ca and Mg may be arranged in ...
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- The first ionization enthalpies of alkaline earth metals are hi...
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- Which of the following alkaline earth metal does NOT react wi...
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- BeH(2) is prepared reducing BeCl(2) with .
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- Which of the following statements is INCORRECT ?
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- An oxide of alkaline earth metal on heating with carbon in the ...
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- which of the following has highest melting and boiling point ?
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- Oxides and hydroxides of alkaloine earth metals EXCEPT beryllium ...
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- An alloy contatining 1- 15 % Mg and 85-99% Al is known as .
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- Which of the following metal is used to remove sulphur from p...
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- An element X is used in the extraction of metal from their ox...
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