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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: Principles Of Chemistry - Gaseous State
Which of the following explains why a sealed bag of potato chips puffs up when carried from sea level to a high altitude?
Atmospheric pressure decreases at higher altitude.
Temperature decreases at higher altitude.
The gas inside the bag expands due to lower gravity.
More oxygen is available at higher altitude.
The melting point of a substance is related to its:
Diffusion rate.
Vapour pressure.
Molar enthalpy of fusion.
Molar enthalpy of evaporation.
The smell of perfume spreading across a room is an example of:
Evaporation.
Condensation.
Diffusion.
Melting.
Which of the following describes the arrangement of particles in a gas?
Closely packed but vibrate about fixed positions.
Loosely packed and able to slide past each other.
Far apart and randomly arranged.
Tightly packed in a fixed lattice.
What is the standard atmospheric pressure (STP) in Pascals?
760 Pa.
100,000 Pa.
101,325 Pa.
1 Pa.
