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CHEMISTRY IN SOCIETY: Fertilizers
ENVIRONMENTAL EDUCATION: Chemistry In Society - Extraction Of Metals
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: Principles Of Chemistry - Formulae, Moles And Equations
MATTER: PROPERTIES AND TRANSFORMATION: Rates Of Reaction
MATTER: PROPERTIES AND TRANSFORMATION: Reversible Reactions
PRINCIPLES OF CHEMISTRY: Electrochemistry
PRINCIPLES OF CHEMISTRY: Gaseous State
5/96 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
If 40 g of calcium reacts with 32 g of oxygen to form calcium oxide, and all the oxygen is consumed, what is the limiting reagent?
Calcium oxide.
Oxygen.
Both are consumed entirely.
Calcium.
Which of the following is an example of an ion?
Na⁺.
H₂O.
C₆H₁₂O₆.
O₂.
What is the theoretical yield?
The amount of limiting reagent used in a reaction.
The maximum amount of product that can be formed from given amounts of reactants, based on stoichiometry.
The actual amount of product obtained from a reaction.
The amount of excess reagent left over after a reaction.
What volume will 0.2 mole of ammonia gas occupy at r.t.p?
4480 cm³.
4480.
4800.
4800 cm³.
What is the number of moles of copper (II) sulphate pentahydrate in 5 g of a sample of its crystal?
0.04
0.5
0.02
0.05
