EASY
NDA & NA EE
IMPORTANT
Earn 100

Statement I : At high temperature, hydrogen can reduce PbO to elemental lead.

Statement II : Hydrogen has great affinity to oxygen. 

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Important Questions on Elements and Compounds

MEDIUM
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 8 - Elements and Compounds>Exercise 1>Q 13
Hydrogen will not reduce heated ____.
MEDIUM
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 8 - Elements and Compounds>Exercise 1>Q 14
Moist hydrogen cannot be dried over concentrated H2SO4 because:
MEDIUM
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 8 - Elements and Compounds>Exercise 1>Q 15
Dihydrogen reacts with CO at 700 K in the presence of a catalyst to form methanol, the catalyst is
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 8 - Elements and Compounds>Exercise 1>Q 17
H+ ion always get associated with other atoms in molecules because:
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 8 - Elements and Compounds>Exercise 1>Q 18
The name azote is used for-
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 8 - Elements and Compounds>Exercise 1>Q 19
Which one of the following element does not have allotropic forms?
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 8 - Elements and Compounds>Exercise 1>Q 20
The correct order for the increasing acidic strength of oxides of nitrogen is:
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 8 - Elements and Compounds>Exercise 1>Q 21

Oxidation of NO in air produces-