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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 volume will be occupied by 32g of sulphur dioxide at s.t.p?
12000 cm³.
11200 cm³.
12000.
4800.
In the experimental determination of the formula of water by electrolysis, what is the ratio of volumes of hydrogen to oxygen gas produced?
2:1.
3:1.
1:2.
1:1.
The term 'relative atomic mass' compares the average mass of an atom of an element to:
The mass of an oxygen atom.
1/12th the mass of a carbon-12 atom.
The mass of an electron.
The mass of a hydrogen atom.
What is the mass of 6.02×10²³ atoms of carbon-12?
6.02 g.
12 amu.
12 g.
1 g.
What is the mass of 0.1 moles of CaCO₃? (Ca=40, C=12, O=16)
40 g.
160 g.
100 g.
10 g.
