WorksheetsKuiz suka hati Madam Kharol
Total questions: 20
Worksheet time: 20mins
What formula is this?
mole fraction
molarity
molality
% w/w
Calculate the mole fraction of NaCl in 1.60 m solution
0.30
55.56
1.6
0.0280
If 0.05 g of KOH is dissolved in 250 cm3 of water, what is the concentration of solution in g dm-3?
0.4
0.3
0.1
0.2
Apakah lagu kegemaran Madam Kharol yang tidak berjaya masuk ke Anugerah Juara Lagu Ke-35?
Aku Bidadari Syurgammu - DCTK
Mansau - Adam Shamil
Sakit - Yonniboi & Zynakal
Lagu Uphamol Kan Ada - Nabil & Jehan
23oC in Kelvin
296.15 K
314.3 K
272.15 K
KKKK.K
717 torr in atm
500 atm
0.3096 atm
0.943 atm
0.439 atm
This is Balmer series. What is the transition of line y?
n = 4 to n = 1
n = 2 to n = 1
n = 4 to n = 2
n = 3 to n = 2
This is Balmer series. In what region does line y exist?
Ultraviolet
Infrared
Invisible
Visible
When an electron makes a trabsition from a higher energy level to a lower energy level, a photon with frequency 6.6 x 1015 s-1 is emitted. Calculate the wavelenght of the photon?
4.55 x 10-8 m
- 4.55 x 10-8 m
3.75 x 10-8 m
4.55 x 10-8 cm
what is the electronic configurations of elements with 8 proton number
1s2 2s2 2p4
1s2 2s2 2p5
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p8
Which one is the correct spelling for my name?
Kharolrena E Wong.
Kharolrena Wong
Kharolena E Wong
Kharolrena E Wong
State the type of octet exception rules for this ICl2
incomplete octet
expanded octet
odd number of electrons
octet cukup-cukup
Predict the shape of IF4+
tetrahedral
trigonal bypiramidal
see-saw (distorted tetrahedron)
linear
Which molecule is polar?
None of the above
Both
SO2(g) + NO2(g) ⇌ SO3(g) + NO(g)
Calculate Kp, Given Kc = 9.01
Hint : Kp = Kc (RT)Δn
9.01
0
0.91
0.11
If Q > K, the reaction will,
Shift to the right to achieve equilibrium
Shift to the left to achieve equilibirum
Shift to the right to achieve nothing
No nett reaction (the reaction is at equilibrium)
What is weak base
an acid that ionises completely in water
an acid that ionises partially in water
an base that ionises completely in water
an base that ionises partially in water
The pH of grapefruit juice is 3.2 at 25oC. Calculate the concentration of OH-.
6.31 x 10-4 M
1.58 x 10-4 M
6.31 x 10-11 M
1.58 x 10-11 M
The acid ionisation constant of acetic acid, CH3COOH is 1.8 x 10-5 M. Calculate the pH of 0.125 M CH3COOH solution
3.45
3.98
1.70
2.82
Yang mana satu ayat yang sentiasa memberi semangat kepada madam?
(Hint : ada satu saja bukan kata-kata hidup madam :P)
You are who you are
When you want to give up and the world is about to change, remember that you are perfect, God made no mistake
Mama always said 'Life was like a box of chocolates, you never know what you're gonna get
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