EASY
Earn 100

Hydrogen and Methane are the major constituents of which fuel gas?

50% studentsanswered this correctly

Important Questions on Hydrogen

EASY
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel

Match List-I with List-II :

  List-I Chemical Compound   List-II Used as
a Sucralose i Synthetic detergent
b Glyceryl ester of stearic acid ii Artificial sweetener
c Sodium benzoate iii Antiseptic
d Bithional iv Food preservative

Choose the correct match :

EASY
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Which of the following is NOT true regarding the usage of hydrogen as a fuel?
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Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Which of the following acts as oxidising agent in hydrogen- oxygen fuel cell?
MEDIUM
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Among the fuels given, the fuel with the highest calorific value kJ/mole is
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R 

Assertion A: Hydrogen is an environment friendly fuel.

Reason R: Atomic number of hydrogen is 1 and it is a very light element.
In the light of the above statements, choose the correct answer from the options given below

MEDIUM
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Write some important uses of hydrogen.
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Explain the use of hydrogen as a fuel.
 
MEDIUM
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
State five uses of hydrogen.
MEDIUM
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Why is hydrogen considered a good fuel?
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
When 10 g of methane is completely burnt in oxygen, the heat evolved is 560 kJ. What is the heat of combustion (in kJ mol-1) of methane?
HARD
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
The fuel we burn in our car's engine contains _____ .
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Every mole of _____ (16 g) releases about 890.3 kJ of energy on burning.
HARD
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel

Give reason for the following:

Hydrogen gas can prevent pollution.

EASY
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Biogas consists of mainly:
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Maximum energy released per g by the combustion of among the following substance is in
HARD
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel

Combustion of octane takes place in an automobile engine.The homogeneous equation of combustion is :C8H18+252O2→8 CO2+9 H2O

the sign of ∆G for the reaction will be :

HARD
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Write a short note on hydrogen economy.
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
What is understood by hydrogen economy?
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Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Approximately how much energy is released on combustion of one mole of liquid dihydrogen?
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Chemistry>Inorganic Chemistry>Hydrogen>Dihydrogen as a Fuel
Cotyledons are also called-