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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
5/96 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
What does the coefficient '2' in front of H₂O mean in the balanced equation 2H₂+ O₂ → 2H₂O?
2 moles of water.
2 litres of water.
2 atoms of water.
2 grams of water.
__ is the number of elementary particles or entities in 12g of carbon-12 numerically equal to 6.02×10
23
Molar Mass
Mole
Gas constant
Avogadro constant
What is the definition of 'relative molecular mass'?
The mass of one mole of a compound.
The mass of the lightest atom in a molecule.
The sum of the relative atomic masses of all atoms in a molecule.
The mass of the compound in grams.
What is the mass of 6.02×10²³ atoms of carbon-12?
12 amu.
12 g.
1 g.
6.02 g.
Which of the following statements about limiting reagents is true?
The limiting reagent is the reactant left over at the end of a reaction.
The limiting reagent is always the reactant with the smallest mass.
The limiting reagent determines the maximum amount of product that can be formed.
There is no limiting reagent if the reaction goes to completion.
