Available now! Telegram Research 2025 — the year's key insights 
ቀለም Academy
Open in Telegram
ቀለም አካዳሚ ከ5ኛ እስከ 12ኛ ክፍል ያሉ ተማሪዎችን ለመርዳት የተዘጋጀ የኦንላይን ትምህርት ነው። ከ9ኛ እስከ 12ኛ ክፍል ባሉ ዋና ዋና የትምህርት አይነቶች በሙሉ የቪዲዮ ትምህርቶችን፣ ማስታወሻዎችን እና የፈተና ዝግጅት ጥያቄዎችን እናቀርባለን። አሁኑኑ ይቀላቀሉ እና የትምህርት ጉዞዎን ይጀምሩ። ለበለጠ መረጃ : @KelemContact ላይ ያነጋግሩን
Show more5 362
Subscribers
-1824 hours
-427 days
+65530 days
Posts Archive
5 362
💡 Bonus Challenge:
How many molecules are present in 0.25 mol of H₂SO₄?
(Take Avogadro’s number = 6.02 × 10²³ mol⁻¹)
Comment your answer 👇
5 362
A gas occupies 4 L at 300 K. If the temperature is increased to 450 K at constant pressure, what will be the new volume?
Comment your answer.👇🏼
5 362
Which of the following electron configurations represents a noble gas?
5 362
Calculate the mass of CaCO₃ needed to prepare 0.50 mol.
(Atomic masses: Ca = 40, C = 12, O = 16)
Comment your answer.👇🏼
5 362
THURSDAY - CHEMISTRY
A 250 mL solution contains 0.50 mol of HCl. What is its molarity?
5 362
💡 Bonus Challenge:
Which sentence is correct?
A) Neither of the students have submitted their assignments.
B) Neither of the students has submitted his or her assignment.
Comment your answer 👇
5 362
Rewrite the sentence in indirect speech:
She said, “I have finished my assignment.”
Comment your answer.👇🏼
5 362
Identify the figure of speech in the sentence:
“Time is a thief.”
Comment your answer.👇🏼
5 362
WEDNESDAY - ENGLISH
Choose the sentence that is grammatically correct.
5 362
💡 Bonus Challenge:
A 5 kg object is lifted vertically through a height of 8 m.
Calculate the work done against gravity.
(Take g = 10 m/s²)
Comment your answer 👇
5 362
Two charges, +4 μC and +2 μC, are separated by a certain distance. If the distance between them is doubled, the electrostatic force becomes:
5 362
A wave has a wavelength of 0.8 m and a frequency of 250 Hz.
Calculate its speed.
Comment your answer.👇🏼
5 362
A 60 W bulb is connected to a 240 V supply. What current does it draw?
5 362
A 10 kg object is pulled by a horizontal force of 50 N on a rough surface. If the frictional force is 20 N, calculate the object’s acceleration.
Comment your answer.👇🏼
5 362
TUESDAY - PHYSICS
A body is projected horizontally from the top of a 45 m cliff with a speed of 20 m/s. (Take g = 10 m/s²) How far from the base of the cliff will it land?
5 362
State two major political or economic reforms introduced during the reign of Haile Selassie.
Comment your answer.👇🏼
