The s-Block Elements

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Portland cement contains 'X' to enhance the setting time. What is 'X'?

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Lithium nitrate and sodium nitrate, when heated separately, respectively, give :

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Statement I : An alloy of lithium and magnesium is used to make aircraft plates.
Statement II : The magnesium ions are important for cell–membrane...

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Reaction of $\mathrm{BeCl}_2$ with $\mathrm{Li}_4 \mathrm{IH}_4$ gives :

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The correct decreasing order for metallic character is

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Choose the correct order of density of the alkali metals :

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Amongst baking soda, caustic soda and washing soda carbonate anion is present in :

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BeO reacts with HF in presence of ammonia to give [A] which on thermal decomposition produces [B] and ammonium fluoride. Oxidation state of Be in...

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Boiling of hard water is helpful in removing the temporary hardness by converting calcium hydrogen carbonate and magnesium hydrogen carbonate to

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Q JEE-Main 2022

Which one of the following compounds is used as a chemical in certain type of fire extinguishers?

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