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QJEE MAIN 2023
For compound having the formula GaAICI4, the correct option from the following is
JEE MainChemistryMedium
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QJEE MAIN 2023
Given below are two statements: Statements: $\mathrm{SbCl}_5$ is more covalent than $\mathrm{SbCl}_3$ Statements: The higher oxides of halogens also tend to be more stable...
JEE MainChemistryMedium
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QJEE MAIN 2023
The number of $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bonds in $\mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_7,\left(\mathrm{HPO}_3\right)_3$ and $\mathrm{P}_4 \mathrm{O}_{10}$ are respectively.
JEE MainChemistryEasy
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QJEE MAIN 2023
On complete combustion, 0.492 g of an organic compound gave 0.792 g of $CO2$. The % of carbon in the organic compound is_____. (Nearest integer)
JEE MainChemistryEasy
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QJEE MAIN 2023
Which one of the following reactions does not occur during extraction of copper ?
JEE MainChemistryMedium
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QJEE-Main_2023
In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to :
JEE MainChemistryEasy
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QJEE MAIN 2023
The methods NOT involved in concentration of ore are (A) Liquation (B) Leaching (C) Electrolysis (D) Hydraulic washing (E) Froth floatation Choose the correct answer...
JEE MainChemistryEasy
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QJEE MAIN 2023
Reaction of thionyl chloride with white phosphorus forms a compound [A], which on hydrolysis gives [B], a dibasic acid. [A] and [B] are respectively
JEE MainChemistryEasy
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QJEE MAIN 2023
Which of the Phosphorus oxoacid can create silver mirror from $\mathrm{AgNO}_3$ solution ?
JEE MainChemistryMedium
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QJEE MAIN 2024
Among the following oxide of p - block elements, number of oxides having amphoteric nature is Cl_2 O_7,CO,PbO_2,〖" " N〗_2 O,NO,Al_2 O_3,SiO_2,〖" " N〗_2 O_5,...
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