CHEMISTRY SS1
Chemistry Quiz for SS1 Students
Test your knowledge in chemistry with our engaging quiz designed specifically for SS1 students. This quiz includes a range of topics, from acid-base theories to oxidation states, providing a comprehensive overview of essential chemistry concepts.
- 12 Thought-Provoking Questions
- Multiple Choice and Text Input Questions
- Instant Feedback on Your Answers
Arrhenius defined an acid as:
A species that can donate a proton
A species that can accept a proton
a source of OH- ions in water
a sourse of H+ ions in water.
A species that can accept a pair of electrons
In the Bronsted-Lowry system, a base is defined as
A proton donor
a hydroxide donor
An electron-pair acceptor
A water-former
a proton acceptor
In the equation: HF + H2O H3O+ + F-
H2O is a base and HF is its conjugate acid
H2O is an acid and HF is the conjugate base
HF is an acid and F- is its conjugate base
HF is a base and H3O+ is its conjugate acid
HF is a base and F- is its conjugate acid
For the system shown here: HOBr + OH- H2O + OBr- Bronsted would classify the base species as
OH- and HOBr
H2O and OH-
OBr- and OH-
OBr- and HOBr
H2O and HOBr
Which is the strongest acid?
HClO
HClO2
HClO3
HClO
HF
Which of these species is probably the weakest acid?
HCl
H3PO4
H2PO4-
HPO42-
HNO3
Which one of the following represents the net ionic equation for the reaction of nitric acid with aluminum hydroxide?
3H+ + Al(OH)3------> Al3+ + 3H2O
3HNO3 + Al(OH)3------> Al(NO3)3 + 3H2O
HNO3 + OH- ------> NO3- + H2O
H+ + OH- ------> H2O
3NO3- + Al3+ ------>Al(NO3)3
Which one of the following is an amphoteric metal hydroxide?
KOH
Ba(OH)2
Pb(OH)2
LiOH
Mg(OH)2
According to the Lewis theory, a base _____
is a proton acceptor
Is a proton donor
Makes available a share in a pair of electrons
Produces OH- ions in aqueous solution
accepts a share in a pair of electrons
What is the oxidation number for carbon in CaC2O4?
0
+2
+3
+4
+6
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