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Pertanyaan 1
Pilihan ganda
A crystal of purple potassium manganate (VII) was added to each of the beakers shown in the
diagram.
- A
- B
- C
- D
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Berurutan
SMA 11
Kimia
[IGCSE] Chemistry 1
Rifky Rama
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Pertanyaan 2
Pilihan ganda
During a reaction, the following changes take place. Which apparatus is required to measure the rate of this reaction?
- Balance and burette
- Balance and gas syringe
- Gas syringe and burette
- Gas syringe and stopclock
Pertanyaan 3
Pilihan ganda
Which statement about bonding is not correct?
- Carbon can form four single covalent bonds.
- Chlorine atoms react to gain a noble gas electronic structure.
- Covalent bonding involves losing and gaining electrons.
- Hydrogen molecules have the formula H2.
Pertanyaan 4
Pilihan ganda
the table shows the numbers of particles present in the nuclei of four atoms or ions. Which two particles belong to the same element?
- 1 and 2
- 1 and 4
- 2 and 3
- 2 and 4
Pertanyaan 5
Pilihan ganda
Which substance is an ionic compound?
- A
- B
- C
- D
Pertanyaan 6
Pilihan ganda
Check the picture
- A
- B
- C
- D
Pertanyaan 7
Pilihan ganda
Which equation for the reaction between sodium carbonate and dilute hydrochloric acid is correct?
- Na2CO3(s) + HCl(aq) → NaCl(aq) + CO2(g) + H2O(l)
- Na2CO3(s) + HCl(aq) → Na2Cl(aq) + CO2(g) + H2O(l)
- Na2CO3(s) + 2HCl(aq) → NaCl(aq) + CO2(g) + H2O(l)
- Na2CO3(s) + 2HCl(aq) → 2NaCl(aq) + CO2(g) + H2O(l)
Pertanyaan 8
Pilihan ganda
The diagram shows an electrolysis experiment. Which row correctly identifies P, Q, and X?
- A
- B
- C
- D
Pertanyaan 9
Pilihan ganda
The diagram shows apparatus for plating a spoon with silver. Which statement is not correct?
- Silver would stick to the spoon because it is a very reactive metal.
- The electrolyte would be a silver salt dissolved in water.
- The metal electrode would be made from silver.
- The spoon would be connected to the negative terminal of the power supply.
Pertanyaan 10
Pilihan ganda
Limestone can be changed into slaked lime in two chemical reactions. Which row shows the correct description of each of the chemical reactions?
- A
- B
- C
- D
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