uz
Feedback
Maths Group11

Maths Group11

Kanalga Telegram鈥檇a o鈥榯ish

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'rsatish
4 901
Obunachilar
-224 soatlar
+17 kun
-9330 kun
Postlar arxiv
What mass of aluminum is deposited electrolytically in 30 minutes by a current of 40A ?
Anonymous voting

Sodium hydroxide is added to solution M. A reddish-brown precipitate is formed, solution M contains:
Anonymous voting

Salts that absorb water from the atmosphere but remain solid are known as ___.
Anonymous voting

Which one of the following bases is used to remove soil acidity?
Anonymous voting

Which of the following is NOT properties of bases?
Anonymous voting

Which of the following defines the pH?
Anonymous voting

Based on the degree of ionization of in aqueous solution both acid and base are classified:
Anonymous voting

Which one of the following is NOT the propertie of acidic oxides?
Anonymous voting

Which of the following is acidic oxide?
Anonymous voting

The most common reaction that alkene undergo is:
Anonymous voting

Which of the following statement is true about alkane and alkene?
Anonymous voting

What is oxidation?
Anonymous voting

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:
Anonymous voting

All of the following are the preconditions that needed for a chemical reaction to occur except___________.
Anonymous voting

Congratulations to all remedial students who completed the exam! We wish you the best results!

Given the sequence: 1, 6, 11, 16, 21, ... What is the sum of the first 20 terms of the sequence?
Anonymous voting

Which of the following defines an arithmetic sequence?
Anonymous voting

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.)
Anonymous voting

The reactions in which oxidation and reduction do not occur and such types of reactions are known as ___________.
Anonymous voting

What is the oxidation number of Fe in K鈧刐Fe(CN)鈧哴 ?
Anonymous voting