Apakah maksud larutan piawai?
What is the meaning of standard solution?
Chemistry F4 Chp 6.6
Quiz
•
Chemistry
•
10th Grade
•
Medium
Bercham edu2
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah maksud larutan piawai?
What is the meaning of standard solution?
Suatu larutan yang tidak diketahui kepekatannya dengan tepat.
A solution of which its concentration does not accurately known.
Ukuran yang menunjukkan kuantiti zat terlarut dalam seunit isi padu larutan.
Measurement that shows the quantity of solute in one unit of volume of solution
Suatu larutan dimana kepekatannya telah diketahui dengan tepat
A solution of which its concentration is accurately known.
Unit kepekatan yang menunjukkan bilangan mol bahan terlarut
Concentration that shows the number of mol of solute
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dalam kaedah pencairan, ___________bertambah tetapi _________ kekal tetap
In dilution method, ___________increase but the_____________ remains constant
isi padu pelarut/ volume of solvent
kepekatan/ concentration
jisim/ mass
bilangan mol bahan larut/ number of moles of solute
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan gambar rajah berikut, apakah kaedah penyediaan larutan yang digunakan?
Based on the diagram, what is the preparation method of solution is used?
Pencairan Larutan Akueus/ Dilution of aqueous solution
Peneutralan/ Neutralisation
Penyediaan larutan piawai daripada bahan pepejal/ Preparation of standard solution from solid substances
Pentitratan/ Titration
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut merupakan radas yang digunakan dalam penyediaan larutan piawai daripada bahan pepejal kimia kecuali
Following shows the apparatus that used in preparation of standard solution from solid substances except
Corong turas/ Filter funnel
Pipet /Pipette
Kelalang volumetrik/ Volumetric flask
Bikar/ Beaker
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satu larutan piawai disediakan dengan melarutkan 2.0 g natrium hidroksida dalam air suling untuk menghasilkan 250 cm3 larutan. Apakah kepekatan larutan ini?
A standard solution is prepared by dissolve 2.0 g of sodium hydroxide in distilled water to produce 250 cm3 solution. What is the concentration of the solution?
[JAM/RAM: Na = 23; H = 1; O = 16]
0.5 mol dm-3
0.1 mol dm-3
0.2 mol dm-3
0.3 mol dm-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anda ingin menyediakan 100 cm3 larutan kalium hidroksida 2.0 mol dm-3. Berapakah jisim kalium hidroksida yang anda perlu gunakan?
You want to prepare 100 cm3 of 2.0 mol dm-3 potassium hydroxide solution. What is the mass of potassium hydroxide you need ?
[JAM/RAM: K = 39; O =16; H =1]
2.8 g
11.2 g
10.6 g
25.4 g
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung isipadu HNO3 2.0 mol dm-3 yang diperlukan untuk menyediakan 100 cm3 HNO3 1.0 mol dm-3.
Calculate the volume of 2.0 mol dm-3 HNO3 needed to prepare 100 cm3 of 1.0 mol dm-3 HNO3 .
10 cm3
50 cm3
20 cm3
25 cm3
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