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The unstable isotopes of hydrogen is

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Important Questions on Hydrogen

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The total number of isotopes of hydrogen and number of radioactive isotopes among them, respectively, are
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Which of the following reactions is an example of use of water gas in the synthesis of other compounds?
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Which of the following statements is not true for hydrogen:
1) It exists as a diatomic molecule.
2) It has one electron in the outermost shell.
3) It can lose an electron to form a cation which can freely exist.
4) It cannot form ionic compounds.
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Which of the following statements about hydrogen is incorrect?
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Identify the reaction which does not liberate hydrogen
MEDIUM
Which of the following is water-gas shift reaction?
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Which of the following statements about hydrogen is incorrect?

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The metal which gives hydrogen on reacting with acid as well as NaOH is
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The synonym for water gas when used in the production of methanol is:
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The equation that represents the water-gas shift reaction is :

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In water-gas shift reaction, hydrogen gas is produced from the reaction of steam with.

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The most abundant elements by mass in the body of a healthy human adult are:

Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75kg person would gain if all  1H atoms are replaced by  2H atoms is:
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Which of the following forms of hydrogen emits low energy β- particles?
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The metal that produces H2 with both dil HCl and NaOH(aq) is
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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Hydrogen is the most abundant element in the Universe, but it is not the most abundant gas in the troposphere.

Reason R: Hydrogen is the lightest element.

In the light of the above statements, choose the correct answer from the options given below:

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The number of neutrons and electrons, respectively, present in the radioactive isotope of hydrogen is :-
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If steam is passed over red hot coke
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Which of the following reactions increases the production of dihydrogen from synthesis gas?
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Among Mg, Cu, Fe, Zn the metal that does not produce hydrogen gas in reaction with hydrochloric acid is
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Which physical property of di-hydrogen is wrong?