🔰 অ্যাসিড ও ক্ষার সহজে মনের রাখার উপায় :-

আশা করছি ভালো লাগবে ৪টা সূত্র মনে রাখ , তাহলে
এসিড ও ক্ষারক সহজেই চিনতে পারবে ।
_______
সূত্র ০১: ধাতুর সাথে H/O/OH- থাকলে সেগুলো ক্ষারক হবে ।
_______
সূত্র ০২: অধাতুর সাথে H/O/OH- থাকলে সেগুলো এসিড হবে ।
_______
সূত্র ০৩: ধনাত্নক যৌগমূলক + OH- = ক্ষারক ।
_______
সূত্র ০৪: ঋণাত্মক যৌগমূলক H+ = এসিড ।
_______
সূত্রগুলোর ব্যাখ্যা নিচে দেওয়া হল ।
ব্যাখ্যা ০১: ধাতুর সাথে হাইড্রোজেন থাকলে সেটি ক্ষারক ।
যেমনঃ NaH, MgH2, KH, CaH2
_______
ব্যাখ্যা ০২ : ধাতুর সাথে অক্সিজেন থাকলেও সেটি ক্ষারক ।
যেমনঃ Na2O, MgO, K2O, CaO
_______
ব্যাখ্যা ০৩: ধাতুর সাথে হাইড্রোক্সাইড থাকলেও সেটি ক্ষারক ।
যেমনঃ NaOH, Mg(OH)2, KOH, Ca(OH)2
_______
ব্যাখা ০৪: অধাতুর সাথে হাইড্রোজেন থাকলে সেটি এসিড ।
যেমনঃ HBr, HCl, HF
_______
ব্যাখা ০৫: অধাতুর সাথে অক্সিজেন থাকলে সেটি এসিড ।
যেমনঃ CO2
_______
ব্যাখা ০৬: অধাতুর সাথে হাইড্রোক্সাইড থাকলে সেটি এসিড ।
যেমনঃ HClO, HBrO, HIO
_______
ব্যাখা ০৭: ঋণাত্মক যৌগমূলকের সাথে H + যুক্ত হলে এসিড হয় ।
যেমনঃ HNO3, HNO2
_______
ব্যাখা ০৮: ধনাত্নক যৌগমূলকের সাথে OH- যুক্ত
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📅  01 December 2023 Current Affairs
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1. Who approved the Central Area Scheme to provide drones to women self -help groups?

Answer - Union Cabinet

2. The cabinet approved the continuation of the centrally sponsored scheme for the fast track special courts for the next three years till 31.03.2026. In which year was this scheme started?

Answer - 2019

3. In which state, American envoy Eric Garccyl inaugurated the "Hump World War II 'museum in India?

Answer - Arunachal Pradesh

4. The cabinet approved the terms of reference for the sixteenth Finance Commission. Which Article of the Constitution describes the methods of establishing the Finance Commission?

Answer - Article 280 (1)

5. Former United States Foreign Minister and Nobel Peace Prize winner Henry Kisser, died. In which year did he win the Nobel Peace Prize?

Answer - 1973

6. What is the total outlay of Uttar Pradesh Supplementary Budget 2023-24?

Answer - ₹ 28,760.67 crore

7. The Center started the first auction of important mineral blocks. How many blocks of important and strategic minerals are being auctioned in the first installment?

Answer - 20

8. What is the total outlay of the Prime Minister's Tribal Tribal Justice Maha Abhiyan approved by the cabinet in November 2023?

Answer - Rs 24,104 crore

9. Which has become the first South Asian country to officially register gay marriage?

Answer - Nepal

10. What is the theme of Bengaluru Summit 2023?

Answer - Breaking boundaries

✴️ Equipment /Instruments and their use ❇️

🔲1🔹 Accelerometer:-The growth of the vehicle is a measure of the growth rate.

🔲2🔹 Accumulator:- Electrical energy is a device to accumulate.

🔲3🔹 Actinometer:- Sun is a devastating device of the intensity of rays.

🔲4🔹 Aerometer:- There is a device and density measuring device of air and gases.

🔲5🔹 Ultimeter:- There is a device used to measure the height of aircraft.

🔲6🔹 Amemeter:- There is a device used to measure the electric stream in amperes.

🔲7🔹 anemometer:- The power and motion of air is a device.

🔲8🔹 APICOISCOPE:- It is the work of showing opaque paintings on the screen.

🔲9🔹 Audiometer:-There is a device used to measure the intensity of sound.

🔲10🔹 AudiPhone:-There is a tool to help listen.

🔲11🔹 Auriscope:- There is a device used to inspect the interior of the ear.

🔲12🔹 Avometer:- There is a detection device generated in radio.

🔲13🔹 barograph (barograph):-graph of changes in atmospheric pressure

🔲14🔹 barometer:- Atmospheric pressure measuring device

🔲15🔹 Binoculars:- Maging of items

🔲16🔹 Bolometer:- Hectorous radiation measuring device

🔲17🔹 Callipers:- Measuring diameter inside and outside cylindrical objects

🔲18🔹 Calorimeter:- Measurement of heat

🔲19🔹 Carburator:- Equipment tools used in petrol engines

🔲20🔹 Cardiogram:- Measurement of human heart rate

🔲21🔹 Cardiograph:- Equiphy

🔲22🔹 Cathetometer:- In scientific experiments measuring height, levels etc.

🔲23🔹 Cathode Ray Tube:- Entry of Electron etc.

🔲24🔹 chronometer:- Equipment to find the right time in water vessels

🔲25🔹 Commutator:- Electrical flowing device / AC to DC

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❇️ General Science Important Questions ❇️

1. Blood cancer is usually known by what name
- Leukemia

2. Who is used in the treatment of cancer
- Chemotherapy

3. Which stage of malaria parasite is contagious
- Sporozoite

4. Protein energy is the result of malnutrition
- Marasmus

5. Who discovered Leprosi Basillus
- Hensen

6. Bachasemia affects the disease
- Blood

7. Nidhralu is the carrier of disease disease
- Setcy fly

8. Plasma contains % of water - 90 %

9. How many calories are available by drinking a glass of water
- Zero

10. Enzyme is one - protein

11. Golden rice is the abundant source
- Vitamin A

12. Natural disease is caused by deficiency of which vitamin
- Vitamin A

13. Most protein is found
- Soyabin Dal

14. A player is given for immediate energy
- Glucose

15. Purification of blood in the human body is called
- Dialices

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