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Formula dan persamaan kimia

Chemistry

4th Grade

Used 308+ times

Formula dan persamaan kimia
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Antara yang berikut yang manakah merupakan ion

Cl2

Cl2

Cl-

Cl

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formula kimia bagi magnesium klorida

MgCl

Mg2Cl2

Mg2+Cl-

MgCl2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

OH- merupakan formula bagi

Anion

Kation

Ion

Atom

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bina formula kimia bagi sebatian plumbum (II) sulfat

Pb2SO4

PbSO4

PbSO42-

Pb2+SO42-

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Namakan sebatian berikut NaOH

Natrium Oksida

Natrium hidrogen

Natrium hidroksida

Natrium Oksigen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tulis persamaan lengkap bagi tindak balas antara ferum dan bromin gas dan menghasilkan Ferum (III) bromida

 2Fe + 3Br2   2FeBr32Fe\ +\ 3Br_{2\ }\ \longrightarrow\ 2FeBr_3  

 Fe + Br2  FeBr2Fe\ +\ Br2\ \longrightarrow\ FeBr_2  

 Fe + Br  FeBrFe\ +\ Br\ \longrightarrow\ FeBr  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Magnesium bertindak balas dengan asid hidroklorik cair untuk menghasilkan larutan akues magnesium klorida dan gas hidrogen

Mg + HCl MgCl +HMg\ +\ HCl\ \longrightarrow\ MgCl\ +H

Mg + HCl MgCl2 + H2 Mg\ +\ HCl\longrightarrow\ MgCl_2\ +\ H_2\ \

Mg + 2HCl MgCl2 + H2Mg\ +\ 2HCl\ \longrightarrow\ MgCl_2\ +\ H_2

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