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Hydrogen

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Q JEE Main 2019
A water sample has ppm level concentration of the following metals: $\mathrm{Fe}=0.2 ; \mathrm{Mn}=5.0 ; \mathrm{Cu}=3.0 ; \mathrm{Zn}=5.0$. The metal that makes the water sample...
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Q JEE Main 2019
The isotopes of hydrogen are
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Q JEE-Main-2021_
The INCORRECT statement(s) about heavy water is (are) (A) used as a moderator in nuclear reactor (B) obtained as a by-product in fertilizer industry. (C)...
JEE Main Chemistry Medium
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Q JEE MAIN 2021
The correct statements about $\mathrm{H}_2 \mathrm{O}_2$ are :
(A) used in the treatment of effluents.
(B) used as both oxidising and reducing agents.
(C) the...
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Q JEE MAIN 2021
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Hydrogen is...
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Q JEE MAIN 2021
Given below are two statements: One is labelled as Assertion $A$ and the other labelled as reason $R$
Assertion A : During the boiling...
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Q JEE MAIN 2021
Water does not produce CO on reacting with:
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Q JEE MAIN 2021
Given below are two statements :
Statement I: $\mathrm{H}_2 \mathrm{O}_2$ can act as both oxidising and reducing agent in basic medium.
Statement II: In the...
JEE Main Chemistry Easy
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Q JEE MAIN 2021
Statements about heavy water are given below.
A. Heavy water is used in exchange reactions for the study of reaction mechanisms.
B. Heavy water is...
JEE Main Chemistry Easy
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