bab 6: acid, base and salt
Quiz
•
Chemistry
•
4th Grade
•
Hard
Michelle Ting
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following substances can be used to prepared copper(II) chloride by traction with hydrochloric acid?
Antara bahan berikut, yang manakah boleh digunakan untuk bertindak balas dengan asid hidroklorik untuk menyediakan kuprum(II) klorida?
I. Copper(II) oxide
Kuprum(II) oksida
II. Copper(II) nitrate
Kupprum(II) nitrat
III. Copper(II) carbonate
Kuprum(II) karbonat
IV. Copper(II) hydroxide
Kuprum(II) hidroksida
I, II dan III sahaja
I, II dan IV sahaja
I, III dan IV sahaja
II, III dan IV sahaja
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following salts can be prepared by using double decomposition method?
Antara garam berikut, yang manakah boleh disediakan dengan kaedah penguraian ganda dua?
Silver chloride/ Argentum klorida
Barium nitrate/ barium nitrat
Sodium carbonate/ natrium karbonat
lead(II) nitrate / Plumbum(II) nitrat
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following reagents are suitable to prepare lead(II) sulphate salt?
Antara reagen berikut, manakah sesuai digunakan untuk menyediakan garam plumbum(II) sulfat?
Lead(II) oxide and sulphuric acid
Plumbum(II) oksida dan asid sulfurik
lead(II) carbonate and sulphuric acid
Plumbum karbonat dan asid sulfurik
lead(II) nitrate and potassium sulphate
Plumbum (II) nitrat dan kalium sulfat
lead(II) chloride and sodium sulphate
Plumbum(II) klorida dan natrium sulfat
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
25 cm3 of 0.5 moldm-1 sodium hydroxide solution is titrated with 0.5 moldm-3 sulphuric acid solution. What is the volume of sulphuric acid to complete the process?
25 cm3 larutan natrium hidroksida, 0.5 moldm-3 dititrat dengan larutan asid sulfurik, 0.5 moldm-3. Berapakah isi padu asid sulfurik untuk melengkap proses itu?
7.5 cm3
12.5 cm3
20.0 cm3
32.5 cm3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mass of hydrochloric acid required to prepare 250 cm3 of 1.0 mol dm-3 hydrochloric acid?
apakah jisim asid hidroklorik yang diperlukan untuk menyedia 250cm3 asid hidroklorik , 1.0 moldm-3
[Jisim atom relatif: H, 1; Cl, 35.5]
4.563 g
5.366 g
6.225 g
9.125 g
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the volume of distilled water needed to be added to 6 g of sodium hydroxide to make 0.5 mol dm-3 sodium hydroxide solution?
Berapakah isi padu air suling yang perlu ditambah kepada 6 g natrium hidroksida untuk membuat larutan natrium hidroksida , 0.5 mol dm-3?
0.3 dm3
0.5 dm3
0.6 dm3
0.8 dm3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang mana satu merupakan garam tak terlarutkan?
Whcih of the following is not insoluble salt?
Silver chloride
Argentum klorida
Barium klorida
Barium chloride
Calcium suphate
Kalsium sulfat
Lead(II) chlroride
Plumbum(II) klorida
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not true about weak acid?
Antara yang berikut, yang manakah tidak benar tentang asid lemah?
Weak acids undergo partial ionisation
Asid lemah mengalami pengionan separa
Weak acids have low H+ ion concentration
Asid lemah mempunyai kepekatan ion H+ yang rendah
weak acids are monobasic acids
asid lemah ialah asid monobes
weak acids dissociate partially in water
asid lemah mencerai separa dalam air
9.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calculate the concentration of 25 cm3 hydrochloric acid which undergo neutralisation with 20cm3 of 0.1 moldm-3 calcium hydroxide.
hitung kepekatan 25 cm3 asid hidroklorik yang mengalami peneutralan dengan 20 cm3 kalsium hidroksida , 0.1 moldm-3.
0.12 mol dm-3
0.16 mol dm-3
0.18 mol dm-3
2.0 mol dm-3
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