August 2023 – OnlineTuition.com.my

Latihan

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Question 1 of 11

1. Question
1 point(s)

CHEM0404010

Manakah halogen berikut wujud sebagai cecair merah jambu pada suhu bilik?

Klorin

Iodin

Fluorin

Bromin

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Question 2 of 11

2. Question
1 point(s)

CHEM0404020

Antara berikut yang manakah paling reaktif secara kimia dalam kumpulan halogen?

Fluorin

Klorin

Bromin

Iodin

Correct

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Question 3 of 11

3. Question
1 point(s)

CHEM0404030

Manakah antara pernyataan berikut BENAR tentang unsur Kumpulan 17?

mereka adalah bahan yang kuat apabila pepejal.

mereka mempunyai takat didih yang tinggi.

mereka berwarna apabila dalam keadaan gas.

mereka adalah pengkonduktor elektrik yang baik.

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Question 4 of 11

4. Question
1 point(s)

CHEM0404040

Manakah antara pernyataan berikut adalah BENAR tentang unsur Kumpulan 17?

I. Mereka dipanggil halogen.

II. Fluorin dan bromin larut dalam air untuk membentuk larutan asid.

III. Semua unsur Kumpulan 17 larut dalam air.

IV. Semua unsur Kumpulan 17 boleh bertindak balas dengan natrium hidroksida untuk membentuk garam.

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Question 5 of 11

5. Question
1 point(s)

CHEM0404050

Antara berikut, yang manakah betul tentang ciri-ciri unsur dalam Kumpulan 17 dalam jadual berkala apabila menuruni kumpulan?

I. Saiz atom berkurang apabila turun kumpulan.

II. Takat didih unsur meningkat apabila turun kumpulan.

III. Warna unsur menjadi lebih gelap apabila turun kumpulan.

IV. Kereaktifan unsur berkurang apabila turun kumpulan.

Correct

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Question 6 of 11

6. Question
1 point(s)

CHEM0404060

Klorin dan bromin adalah unsur dalam Kumpulan 17 dalam jadual berkala. Takat didih klorin lebih rendah daripada bromin. Pernyataan yang manakah di bawah ini menerangkan fenomena ini?

Jisim atom relatif klorin lebih rendah daripada bromin.

Bilangan elektron dalam atom klorin lebih rendah daripada bromin.

Jejari atom klorin lebih kecil daripada bromin.

Elektronegativiti klorin lebih tinggi daripada bromin.

Correct

Incorrect

Question 7 of 11

7. Question
1 point(s)

CHEM0404070

Unsur X terletak dalam kumpulan yang sama dengan bromin dalam jadual berkala unsur. Manakah antara berikut yang benar tentang unsur X?

I. Ia membentuk ion dengan cas -1.

II. Ia wujud sebagai unsur monoatomik dalam alam.

III. Ia mempunyai 7 elektronvalens.

IV. Ia membentuk larutan asid apabila larut dalam air.

Correct

Incorrect

Question 8 of 11

8. Question
1 point(s)

CHEM0404080

Unsur P larut dalam air untuk menghasilkan larutan asid. Larutan ini boleh mengubah kertas litmus menjadi tidak berwarna. Apakah unsur yang paling mungkin menjadi P?

Nitrogen

Klorin

Natrium

Fosforus

Correct

Incorrect

Question 9 of 11

9. Question
1 point(s)

CHEM0404090

Apakah hasil yang terbentuk apabila bromin bertindak balas dengan natrium hidroksida?

I. H₂O

II. NaBr

III. O₂

IV. NaOBr

Correct

Incorrect

Question 10 of 11

10. Question
1 point(s)

CHEM0404100

Apakah hasil yang terbentuk apabila gas klorin larut dalam air?

I. Asid hidroklorik

II. Hidrogen klorida

III. Asid hipoklorus

IV. Asid hiperklorik

Correct

Incorrect

Question 11 of 11

11. Question
1 point(s)

CHEM0404110

Apakah kegunaan-kegunaan klorin berikut?

I. Sebagai antioksidan

II. Sebagai ejen pemutihan

III. Untuk membunuh mikroorganisma dalam air

IV. Untuk menghasilkan disenfektan rumah tangga

Correct

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Practice

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Question 1 of 11

1. Question
1 point(s)

CHEM0404010
Which of the halogens exist as a reddish-brown liquid at room temperature?

Chlorine

Iodine

Fluorine

Bromine

Correct

Incorrect

Question 2 of 11

2. Question
1 point(s)

CHEM0404020
Which of the following is chemically most reactive among halogens?

Fluorine

Chlorine

Bromine

Iodine

Correct

Incorrect

Question 3 of 11

3. Question
1 point(s)

CHEM0404030
Which of the following statements is TRUE about the Group 17 elements?

they are strong materials when in solid.

they have high boiling points.

they are coloured when in the gaseous state.

they are good conductors of electricity.

Correct

Incorrect

Question 4 of 11

4. Question
1 point(s)

CHEM0404040
Which of the following statement is TRUE about group 17 elements.

I. They are called the halogen.

II. Fluorine and bromine dissolve in water to form acidic solution.

III. All group 17 elements are soluble in water.

IV. All group 17 elements can react with sodium hydroxide to form salt.

Correct

Incorrect

Question 5 of 11

5. Question
1 point(s)

CHEM0404050
Which of the following is correct about the characteristic of elements in group 17 in the periodic table as going down the group?

I. The size of the atom decreases down the group.

II. The boiling point of the elements increases down the group.

III. The colour of the elements become darker down the group.

IV. The reactivity of the elements decreases down the group.

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Question 6 of 11

6. Question
1 point(s)

CHEM0404060
Both chlorine and bromine are elements in group 17 in the periodic table. The boiling point of chlorine is lower than bromine. Which statement below explains this phenomena?

The relative atomic mass of chlorine is less than that of bromine.

The proton number of chlorine is less than that of bromine.

The atomic radius of chlorine is less than that of bromine.

The electronegativity of chlorine is higher than that of bromine.

Correct

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Question 7 of 11

7. Question
1 point(s)

CHEM0404070
Element X is located in the same group as bromine in the periodic table of elements. Which of the following is true about element X?

I. It forms ions with charge -1.

II. It exist as monoatomic element in nature

III. It has 7 valence electrons.

IV. It forms acidic solutions when react with water.

Correct

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Question 8 of 11

8. Question
1 point(s)

CHEM0404080
Element P dissolve in water to produce an acidic solution. The solution can turn litmus paper colourless. Which of the following is most likely to be P?

Nitrogen

Chlorine

Sodium

Phosphorus

Correct

Incorrect

Question 9 of 11

9. Question
1 point(s)

CHEM0404090
Which of the following is the product formed when bromine reacts with sodium hydroxide?

I. H₂O

II. NaBr

III. O₂

IV. NaOBr

Correct

Incorrect

Question 10 of 11

10. Question
1 point(s)

CHEM0404100
Which of the following is the product formed when chlorine gas dissolves in water?

I. Hydrochloric acid

II. Hydrogen chloride

III. Hypochlorus acid

IV. Hyperchloric acid

Correct

Incorrect

Question 11 of 11

11. Question
1 point(s)

CHEM0404110
Which of the following are the uses of chlorine?

I. As antioxidant

II. As bleaching agent

III. To kill microorganism in water

IV. To manufacture household disinfectants

Correct

Incorrect