Lucebra
Lucebra Biznes

Asam, Basa, dan Garam Kelas 7 Sains NCERT

Asam, Basa, dan Garam Kelas 7 Sains NCERT

Barcha darajalar • 5 Ma'ruzalar • Umrbod kirish
Prabh Kirpa Classes

Tasdiqlangan usta o'qituvchi

Asam, Basa, dan Garam Kelas 7 Sains NCERT
TREYLER
O'qituvchi bilan tanishing: Prabh Kirpa Classes

19 ms

5.0 / 5.0
Global reyting
4
Faol talabalar
Inglizcha
99 ta til subtitrlari
35 daq
Jami tarkib

Siz nimani o'rganasiz

Q. 1. Berikan perbedaan antara asam dan basa?
Q.2. Amonia ditemukan dalam banyak produk rumah tangga, seperti pembersih jendela. Ini mengubah litmus merah menjadi biru. Apa sifatnya?
Q.4. Apakah air distilat bersifat asam/basa/netral? Bagaimana Anda memverifikasinya?
Q.5 Deskripsikan proses netralisasi dengan bantuan contoh.

Kurs mazmuni

5 bo'limlar • 5 ma'ruzalar • 00:35:28 umumiy uzunligi

A Introduction

03:25
Q. 1. State differences between acids and bases. Q.2. Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature? Q.3. Name the source from which litmus solution is obtained. What is the use of this solution? Q.4. Is the distilled water acidic/basic/neutral? How would you verify it? Q.5 Describe the process of neutralisation with the help of an example.
  1. Mark ‘T’ if the statement is true and ‘F’ if it is false:
(i) Nitric acid turn red litmus blue. (T/F) (ii) Sodium hydroxide turns blue litmus red. (T/F) (iii) Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water. (T/F) (iv) Indicator is a substance which shows different colours in acidic and basic solutions. (T/F) (v) Tooth decay is caused by the presence of a base. (T/F) Q.7.Dorji has a few bottles of soft drink in his restaurant. But, unfortunately, these are not labelled. He has to serve the drinks on the demand of customers. One customer wants acidic drink, another wants basic and third one wants neutral drink. How will Dorji decide which drink is to be served to whom? Q.8. Explain why: (a) An antacid tablet is taken when you suffer from acidity. (b) Calamine solution is applied on the skin when an ant bites. (c) Factory waste is neutralised before disposing it into the water bodies. Q. 9. Three liquids are given to you. One is hydrochloric acid, another is sodium hydroxide and third is a sugar solution. How will you identify them? You have only turmeric indicator. Q. 10. Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain. Q.11. Consider the following statements: (a) Both acids and bases change colour of all indicators. (b) If an indicator gives a colour change with an acid, it does not give a change with a base. (c) If an indicator changes colour with a base, it does not change colour with an acid. (d) Change of colour in an acid and a base depends on the type of the indicator. Which of these statements are correct? (i) All four (ii) a and d (iii) b, c and d (iv) only d

Differences between acids and bases, Nature of ammonia & distilled water, litmus

08:26

Q. 1. State differences between acids and bases.
Q.2. Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?
Q.3. Name the source from which litmus solution is obtained.What is the use of this solution?
Q.4. Is the distilled water acidic/basic/neutral? How would you verify it?

Process of neutralisation with example and some true false questions

06:22
Q.5 Describe the process of neutralisation with the help of an example.
  1. Mark ‘T’ if the statement is true and ‘F’ if it is false:
(i) Nitric acid turn red litmus blue. (T/F) (ii) Sodium hydroxide turns blue litmus red. (T/F) (iii) Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water. (T/F) (iv) Indicator is a substance which shows different colours in acidic and basic solutions. (T/F) (v) Tooth decay is caused by the presence of a base. (T/F)
Haftalik Oquv Rejasi
Oquv sayohatingizni rejalashtiring
SI vaqtingizga mos shaxsiy jadval yaratadi

Talablar

Tidak ada

Maqsadli auditoriya

Class 7 Science

Ushbu kurs haqida

Q. 1. Berikan perbedaan antara asam dan basa.

Q.2. Amonia ditemukan dalam banyak produk rumah tangga, seperti pembersih jendela. Ini mengubah litmus merah menjadi biru. Apa sifatnya?

Q.3. Namakan sumber dari mana solusi litmus diperoleh. Apakah penggunaan solusi ini?

Q.4. Apakah air distilat bersifat asam/basa/netral? Bagaimana Anda memverifikasinya?

Q.5 Deskripsikan proses netralisasi dengan bantuan contoh.

  • Tandai 'T' jika pernyataan benar dan 'F' jika salah:
  • (i) Asam nitrat mengubah litmus merah menjadi biru. (T/F)

    (ii) Sodium hidroksida mengubah litmus biru menjadi merah. (T/F)

    (iii) Sodium hidroksida dan asam hidroklorik menetralisir satu sama lain dan membentuk garam dan air. (T/F)

    (iv) Indikator adalah zat yang menunjukkan warna berbeda dalam larutan asam dan basa. (T/F)

    (v) Karies gigi disebabkan oleh adanya basa. (T/F)

    Q.7. Dorji memiliki beberapa botol minuman ringan di restorannya. Namun, sayangnya, ini tidak dilabeli. Dia harus menyajikan minuman sesuai permintaan pelanggan. Satu pelanggan ingin minuman asam, yang lain ingin yang basa dan yang ketiga ingin minuman netral. Bagaimana Dorji akan memutuskan minuman mana yang akan disajikan kepada siapa?

    Q.8. Jelaskan mengapa:

    (a) Tablet antasida diambil ketika Anda menderita asam lambung.

    (b) Larutan kalamin dioleskan pada kulit ketika semut menggigit.

    (c) Limbah pabrik dinetralkan sebelum dibuang ke badan air.

    Q. 9. Anda diberikan tiga cairan. Satu adalah asam hidroklorat, yang lain adalah natrium hidroksida dan yang ketiga adalah larutan gula. Bagaimana Anda mengidentifikasi mereka? Anda hanya memiliki indikator kunyit.

    Q. 10. Kertas litmus biru direndam dalam larutan. Tetap biru. Apa sifat larutan tersebut? Jelaskan.

    Q.11. Pertimbangkan pernyataan berikut:

    (a) Baik asam dan basa mengubah warna semua indikator.

    (b) Jika sebuah indikator memberikan perubahan warna dengan asam, tidak memberikan perubahan dengan basa.

    (c) Jika indikator berubah warna dengan basa, tidak berubah warna dengan asam.

    (d) Perubahan warna dalam asam dan basa tergantung pada jenis indikator.

    Kualifikasinya benar?

    (i) Semua empat (ii) a dan d (iii) b, c, dan d (iv) hanya d

    Q.8. Jelaskan mengapa:

    (a) Tablet antasida diambil ketika Anda menderita asam lambung.

    (b) Larutan kalamin dioleskan pada kulit ketika semut menggigit.

    (c) Limbah pabrik dinetralkan sebelum dibuang ke

    Karyera imkoniyatlari va maqsadli kasblar

    Amaliy va ishga tayyor ko'nikmalarni egallab, xalqaro miqyosdagi nufuzli lavozimlarga ariza topshiring

    Ishga tayyor o'quv dasturi
    Ariza topshirishingiz mumkin bo'lgan lavozimlar

    AI Solutions Engineer

    Data Science Consultant

    Machine Learning Practitioner

    AI Workflow & Automation Specialist

    Taxminiy yillik maosh
    $105,000 – $165,000 / yr
    Global bozor talabi

    Fastest Growing Worldwide (#1)

    Siz egallaydigan asosiy ko'nikmalar
    Model Fine-Tuning & Evaluation
    Data Pipelines & Vector Analysis
    Applied Generative AI Architecture
    Predictive Analytics & Deployment
    * Baholar global texnologiya bozori va maosh hisobotlariga asoslangan.
    O'qituvchingiz bilan tanishing
    Prabh Kirpa Classes
    5.0 Baho
    63 Talabalar
    Profili Go'runtule
    Prabh Kirpa Classes
    Bosh murabbiy
    Educator
    This channel is purely education based. Our aim is to ensure that the students are able to understand each and every question in an easy way. We take pride in providing quality educational services to the students of Class VII to Class XI Science NCERT, English, Computer solutions, Mathematics, Business Studies & Economics. Our goal is to help the leaders of tomorrow to learn to succeed today....

    Talabalar ham sotib olishdi

    Ushbu kursni ko'rgan o'quvchilar ham ushbu eng yuqori baholangan kurslarga yozilishdi

    3D Printing Failure Analysis: Root Cause & Diagnostics Masterclass
    O'qitish va akademik fanlar | Muhandislik

    Unlock the world of 3D printing and product creation with a hands-on, industry-focused course designed to turn your ideas into reality. Whether you’re an engineer, designer, technician Masterclass.

    5.0
    3 soat
    19 Darslar
    O'rta
    $12.99
    Probability Beyond the Basics: Part 1
    Bestseller
    O'qitish va akademik fanlar | Matematika

    Taking Your Mastery of Probability to the Next Level

    5.0
    1 soat 30 daq
    6 Darslar
    Hammasi
    $9.99

    $19.99

    Beyond Basics: Calculating Cone Surface Area with Precision
    O'qitish va akademik fanlar | Matematika

    Advanced Formulas and Strategies for Cone Surface Area Determination

    5.0
    1 soat
    10 Darslar
    Hammasi
    $19.99
    Future Tense
    Bepul
    O'qitish va akademik fanlar | Ingliz tili grammatikasi

    FUTURE TENSE

    5.0
    2 soat
    4 Darslar
    Hammasi
    June 2026 Current Affairs Complete Revision Course
    O'qitish va akademik fanlar | Joriy ishlar

    Master all important Current Affairs from June 1–30, 2026 with daily video lectures, MCQs, exam-oriented explanations an

    5.0
    8 soat 30 daq
    29 Darslar
    Boshlovchi
    $29.99

    $39.99

    Bar Graphs Unveiled: A Comprehensive Introduction
    O'qitish va akademik fanlar | Matematika

    Unlocking the Power of Bar Charts for Effective Data Communication

    5.0
    1 soat
    5 Darslar
    Hammasi
    $14.99

    $19.99

    Tez-tez so'raladigan savollar

    Ushbu kurs bo'yicha eng keng tarqalgan savollarga javob toping.

    Ha! Upon completing 100% of the course lectures and assignments, you can instantly download your verified digital Certificate of Completion directly from your Lucebra profile.

    Technology bo'yicha ko'proq bilib oling

    Akkreditatsiyadan o'tgan sertifikatlar, elektron kitoblar va jonli darslar bilan bilimlaringizni oshiring.