Soal Latihan Kimia 9 Smp A

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| By Bang_thoyib
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  • 1/20 Soalan
    Berikut adalah simbol untuk bahan kimia .... - ProProfs

    Berikut adalah simbol untuk bahan kimia ....

    • Berbahaya
    • Berbahaya bagi lingkungan
    • Explosif
    • Toxic
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  • 2. 
    1.      Berikut adalah symbol untuk bahan kimia … - ProProfs

    1.      Berikut adalah symbol untuk bahan kimia …

    • Mudah meledak

    • Oksidator

    • Mudah terbakar

    • reduktor

    Correct Answer
    A. Mudah terbakar
    Explanation
    The correct answer is "Mudah terbakar" because it means "flammable" in English. This symbol is used to indicate that the chemical substance is easily ignited and can catch fire easily.

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  • 3. 

    1.      Sesuatu yang mempunyai massa dan menempati ruang disebut …

    • Gelombang

    • Materi

    • B3

    • Struktur

    Correct Answer
    A. Materi
    Explanation
    The question asks for the term that describes something that has mass and occupies space. The correct answer is "Materi" which is the Indonesian word for "matter". Matter is anything that has mass and takes up space, so it fits the description given in the question.

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  • 4. 
    Simbol berikut berarti .... - ProProfs

    Simbol berikut berarti ....

    • Harmful

    • Toxic

    • Beracun bagi lingkungan

    • Korosif

    Correct Answer
    A. Toxic
    Explanation
    The given symbol indicates toxicity. This means that the substance represented by the symbol is poisonous and can cause harm to living organisms. It implies that the substance should be handled with caution and proper safety measures should be taken to avoid any negative effects on the environment and human health.

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  • 5. 

    1.      Manakah dibawah ini yang merupakan senyawa …

    • Li, Na, K, Rb

    • NaOH, Uuh, HCl

    • H2SO4, NaCl, HNO3

    • H, He, Li, Be

    Correct Answer
    A. H2SO4, NaCl, HNO3
    Explanation
    The correct answer is H2SO4, NaCl, HNO3. These are all compounds because they are made up of two or more elements chemically bonded together. H2SO4 is sulfuric acid, NaCl is sodium chloride (table salt), and HNO3 is nitric acid.

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  • 6. 

    1.      Berikut ini yang termasuk indicator alami dan indikator buatan adalah …

    • Ekstrak bunga sepatu dan ekstrak kulit manggis

    • PP dan BTB

    • Ekstrak kunyit dan BTB

    • Indigo carmine dan kertas lakmus

    Correct Answer
    A. Ekstrak kunyit dan BTB
    Explanation
    The correct answer is "Ekstrak kunyit dan BTB" because both turmeric extract (ekstrak kunyit) and BTB (Bromothymol blue) are examples of natural indicators. Turmeric extract is commonly used as a natural pH indicator, turning from yellow in acidic solutions to red in basic solutions. BTB is a synthetic compound that also changes color depending on the pH of the solution it is in. Therefore, both of these substances can be classified as natural indicators.

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  • 7. 

    1.      Seseorang yang mengelola laboratorium disebut ...

    • Chemist

    • Laboran

    • Labour

    • Librarian

    Correct Answer
    A. Laboran
    Explanation
    A person who manages a laboratory is called a "laboran". This term is commonly used to refer to individuals who are responsible for overseeing the operations and activities in a laboratory setting. They ensure that proper protocols and safety measures are followed, equipment is maintained, and experiments are conducted accurately. The term "chemist" refers to a person who specializes in the study of chemistry, but it does not specifically indicate a role in laboratory management. Similarly, "librarian" and "labour" are unrelated to managing a laboratory.

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  • 8. 
    Berikut adalah symbol untuk bahan kimia … - ProProfs

    Berikut adalah symbol untuk bahan kimia …

    • Korosif

    • Harmful

    • Explosif

    • Flamable

    Correct Answer
    A. Explosif
    Explanation
    The given correct answer is "explosif." This symbol is used to indicate chemicals that are explosive.

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  • 9. 

    1.      Partikel suatu senyawa ionic yang bermuatan positif disebut …

    • Kation

    • Anion

    • Molekul

    • Koloid

    Correct Answer
    A. Kation
    Explanation
    Kation adalah partikel suatu senyawa ionic yang bermuatan positif. Dalam senyawa ionic, atom logam kehilangan satu atau lebih elektron sehingga membentuk ion positif atau kation. Kation ini akan tertarik oleh ion negatif atau anion dalam senyawa ionic untuk membentuk ikatan ionik. Jadi, kation adalah jawaban yang tepat untuk pertanyaan ini.

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  • 10. 

    1.      Bila suatu asam lemah direaksikan dengan basa kuat akan menghasilkan garam yang berisfat …

    • Asam

    • Basa

    • Netral

    • Lemah

    Correct Answer
    A. Basa
    Explanation
    When a weak acid reacts with a strong base, it forms a salt. In this reaction, the weak acid donates a proton (H+) to the strong base, resulting in the formation of a salt and water. Since the strong base completely dissociates in water, it is able to accept the proton from the weak acid and form a new compound called a salt. Therefore, the correct answer is "Basa" (Base).

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  • 11. 

    1.      Pertemuan antara ilmu kimia dengan ilmu fisika menghasilkan ilmu baru yang disebut …. 

    • Imunologi

    • Fisika kimia

    • Kimia fisik

    • Kimia material

    Correct Answer
    A. Kimia fisik
    Explanation
    Pertemuan antara ilmu kimia dan ilmu fisika menghasilkan ilmu baru yang disebut kimia fisik. Kimia fisik adalah cabang ilmu yang mempelajari interaksi antara materi dan energi, serta prinsip-prinsip fisika yang terkait dengan reaksi kimia. Dalam kimia fisik, konsep-konsep fisika seperti termokimia, kinetika reaksi, dan spektroskopi digunakan untuk memahami dan menjelaskan fenomena kimia.

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  • 12. 

    1.      Nama dari NH4OH dan Na2SO4 adalah…  

    • Ammonium hidroksida dan Natrium Sulfit

    • Natrium Hidroksida dan ammonium sulfat

    • Ammonium hidroksida dan natrium sulfat

    • Ammonium sulfat dan natrium hidroksida

    Correct Answer
    A. Ammonium hidroksida dan natrium sulfat
    Explanation
    The correct answer is "Ammonium hidroksida dan natrium sulfat" because NH4OH is the chemical formula for ammonium hidroksida and Na2SO4 is the chemical formula for natrium sulfat.

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  • 13. 

    1.      Manakah diantara senyawa berikut ini yang termasuk basa Arrhenius…. 

    • MgSO4

    • HCl

    • Al(OH)3

    • CH3COONa

    Correct Answer
    A. Al(OH)3
    Explanation
    Al(OH)3 is the correct answer because it is a compound that contains hydroxide ions (OH-) which can dissociate in water to release hydroxide ions, making it a base according to the Arrhenius definition of bases. MgSO4, HCl, and CH3COONa do not contain hydroxide ions and therefore do not fit the Arrhenius definition of bases.

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  • 14. 
    Simbol kimia berikut berarti .... - ProProfs

    Simbol kimia berikut berarti ....

    • Explosif

    • Harmful

    • Flamable

    • Toxic

    Correct Answer
    A. Harmful
    Explanation
    The given correct answer for this question is "harmful." This means that the chemical symbol mentioned in the question represents a substance that can cause harm or damage. It implies that the substance may have adverse effects on human health or the environment.

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  • 15. 

    1.      ‘kimia’ berasal dari bahasa arab yaitu …

    • Al kimia

    • Al-khamr

    • Al-khemy

    • Al-khimi

    Correct Answer
    A. Al-khemy
    Explanation
    The correct answer is "Al-khemy." The word "kimia" is derived from the Arabic word "Al-khemy."

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  • 16. 

    1.      Reaksi antara asam dan basa menghasilkan …          

    • Garam

    • Garam dan air

    • Senyawa polimer

    • Koloid

    Correct Answer
    A. Garam dan air
    Explanation
    When an acid reacts with a base, it forms a salt and water. This is a common reaction known as neutralization. The acid donates a proton (H+) to the base, forming water, while the remaining ions from the acid and base combine to form a salt. Therefore, the correct answer is "Garam dan air" which translates to "Salt and water" in English.

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  • 17. 

    1.      Senyawa asam terdapat dalam beberapa bahan berikut …

    • Cuka, antacid, obat urus-urus

    • Minuman berkarbonasi, pupuk, antacid

    • Asam lambung, pupuk, minuman berkarbonasi

    • Obat maag, ammonia, deodoran

    Correct Answer
    A. Asam lambung, pupuk, minuman berkarbonasi
    Explanation
    The correct answer is "asam lambung, pupuk, minuman berkarbonasi." This is because stomach acid, fertilizers, and carbonated drinks are all examples of acidic compounds.

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  • 18. 

    1.      Zat yang dapat berperan sebagai asam sekaligus basa disebut…

    • Metalloid

    • Poliatomik

    • Amfoterik

    • Monoatomik

    Correct Answer
    A. Amfoterik
    Explanation
    Amfoterik adalah zat yang dapat berperan sebagai asam dan basa. Ini berarti zat ini dapat menerima atau melepaskan proton (H+) dalam reaksi kimia. Dengan demikian, zat amfoterik dapat bereaksi dengan baik dengan zat asam maupun basa. Contoh zat amfoterik yang umum adalah air (H2O), yang dapat bereaksi dengan asam untuk membentuk ion hidronium (H3O+) dan bereaksi dengan basa untuk membentuk ion hidroksida (OH-).

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  • 19. 

    1.      Symbol yang menyatakan jumlah paling sederhana dari atom-atom yang menyusun suatu senyawa dan merupakan bilangan bulat, misalkan C6H12O6 menjadi CH2O, disebut… 

    • Suspensi

    • Rumus molekul

    • Rumus empiris

    • Koloid

    Correct Answer
    A. Rumus empiris
    Explanation
    The correct answer is "Rumus empiris" (empirical formula). The empirical formula represents the simplest ratio of atoms in a compound and is expressed as a whole number. In this case, the empirical formula of C6H12O6 is CH2O.

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  • 20. 

    1.      Ilmuwan yang menyatakan bahwa basa adalah suatu zat (spesi) yang bertindak sebagai donor pasangan electron adalah …

    • Arrhenius

    • Bronstead-Lowry

    • Lewis

    • Lavoisier

    Correct Answer
    A. Lewis
    Explanation
    Lewis adalah ilmuwan yang menyatakan bahwa basa adalah suatu zat (spesi) yang bertindak sebagai donor pasangan electron.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 27, 2010
    Quiz Created by
    Bang_thoyib

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