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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
Standard pressure is:
All are correct
1 atm
760 mmHg
10
5
Pa
Which of the following is the empirical formula for C₆H₁₂O₆(glucose)?
C₆H₁₂O₆.
C₃H₆O₃.
CHO.
CH₂O.
When writing a full formula equation, what do the state symbols (s), (l), (g), and (aq) represent?
Soluble, liquid, gaseous, and acidic.
Strong, weak, good, and bad.
Solid, liquid, gas, and aqueous solution.
Solid, liquid, gas, and amorphous.
The relative molecular mass of glucose (C₆H₁₂O₆) is: (C=12, H=1, O=16)
90.
60.
180.
120.
A compound contains 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass. What is its empirical formula? (C=12, H=1, O=16)
C₂H₄O.
C₂H₂O₂.
CHO.
CH₂O.