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MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Alkali metals and alkaline earth metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Identification Of Ions
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Salts
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Transition metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Nitrogen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Sulphur
MATTER - PROPERTIES AND TRANSFORMATION: Organic Chemistry - Hydrocarbons
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Gaseous State
MATTER: PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Solutions and acid-base titration
PRINCIPLES OF CHEMISTRY: Electrochemistry
5/50 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Nitrogen
When ammonia gas is bubbled through water, the resulting solution will:
Become strongly acidic.
Remain neutral.
Turn red litmus blue.
Turn blue litmus red.
Which of the following statements about nitrogen dioxide (NO₂) is INCORRECT?
It supports combustion.
It is a brown gas.
It is an acidic gas.
It has a pungent smell.
What role do nitrifying bacteria play in the nitrogen cycle?
Convert atmospheric nitrogen to ammonia.
Convert nitrates to atmospheric nitrogen.
Convert ammonia to nitrites and then to nitrates.
Convert nitrates to ammonia.
What happens when nitrogen monoxide (NO) is exposed to air?
It turns into brown fumes.
It turns into a yellow liquid.
It remains colourless.
It explodes violently.
The main industrial process for the manufacture of ammonia is called the:
Frasch process.
Haber process.
Contact process.
Ostwald process.
