Maths Group11
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The main purposes of this channel are to: 1. 馃摑 Provide various Mathematics questions and exercises. 2. 馃摎 Share and publish different educational books. 3. 馃摉 Provide useful short notes and study materials. Hirriyyoota keessaniif share godha!
Ko'proq ko'rsatish4 901
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4 901
What mass of aluminum is deposited electrolytically in 30 minutes by a current of 40A ?
4 901
Sodium hydroxide is added to solution M. A reddish-brown precipitate is formed, solution M contains:
4 901
Salts that absorb water from the atmosphere but remain solid are known as ___.
4 901
Based on the degree of ionization of in aqueous solution both acid and base are classified:
4 901
Sodium and calcium react with water to form hydrogen gas and metal hydroxide. Yet calcium reacts at a moderate, whereas sodium reacts so rapidly. Why do these differences occur? This is due to the difference in:
4 901
All of the following are the preconditions that needed for a chemical reaction to occur except___________.
4 901
Congratulations to all remedial students who completed the exam! We wish you the best results!
4 901
Given the sequence:
1, 6, 11, 16, 21, ...
What is the sum of the first 20 terms of the sequence?
4 901
How many grams of oxygen can be prepared by the decomposition of 12 g of mercury (II) oxide? ( Atomic mass: Hg = 200 g/mol, oxygen= 16 g/mol.)
4 901
The reactions in which oxidation and reduction do not occur and such types of reactions are known as ___________.
