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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
What is the percentage by mass of water of crystallization in copper (II) sulphate pentahydrate?
50%.
57.6%.
36%.
25.6%.
What is molar volume at s.t.p?
22.4 dm³.
24000 cm³.
22400 cm³ and 22.4 dm³.
22400 cm³.
How many moles of carbon dioxide molecules are there in 0.12 g of carbon dioxide gas?
0.0027 mol
0.12 mol
0.03 mol
0.027 mol
'Molecular mass' (not relative molecular mass) is expressed in what units?
Atomic mass units (amu) or Daltons (Da).
Litres (L).
Moles (mol).
Grams (g).
The number of moles for a substance can be calculated as:
(Given mass) / (Molar mass)
(Molar mass) / (given mass)
(Given mass ) / ( mass)
( mass in kg) / (Molar mass)
