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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
What colour does nitric acid turn blue litmus paper?
No change.
Green.
Red.
Blue.
Nitrogen monoxide (NO) is prepared in the laboratory by the reaction of dilute nitric acid with:
Copper.
Iron.
Magnesium.
Zinc.
When diluting concentrated nitric acid, which of the following is the correct procedure?
Add water slowly to the concentrated acid.
Add concentrated acid slowly to water.
Dilute by cooling the acid.
The order of addition does not matter.
Which of the following is a physical property of nitrogen gas?
Denser than air.
Highly soluble in water.
Supports combustion.
Colourless and odourless.
Farmers apply nitrogenous fertilizers to their crops primarily to:
Enhance plant growth and yield.
Improve water retention in soil.
Increase soil acidity.
Promote fruit ripening.
