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The s-Block Elements

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Q JEE MAIN 2023
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion (A) : BeCl2 and MgCl2...
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Q JEE MAIN 2023
The density of alkali metals is in the order
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Q JEE MAIN 2023
Given below are two statements: Statement I: Lithium and Magnesium do not form superoxide Statement II: The ionic radius of $\mathrm{Li}^{+}$is larger than ionic radius...
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Q JEE MAIN 2023
The compound which does not exist is:
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Q JEE MAIN 2023
What is the purpose of adding gypsum to cement?
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Q JEE MAIN 2023
Lime reacts exothermally with water to give A which has low solubility in water. Aqueous solution of ' $A$ ' is often used for the...
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Q JEE MAIN 2023
The setting time of Cement is increased by adding
JEE Main Chemistry Medium
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Q JEE MAIN 2023
Reaction of BeQ with ammonia and hydrogen fluoride gives 'A' which on thermal decomposition gives $\mathrm{BeF}_2$ and $\mathrm{NH}_4 \mathrm{~F}$. What is ' A ' ?
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Q JEE MAIN 2023
Match List I with List II. Choose the correct answer from the options given below :
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Q JEE-Main_2023
Lithium aluminium hydride can be prepared from the reaction of
JEE Main Chemistry Easy
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