现已上线！2025 年 Telegram 研究 — 年度关键洞察 
Maths Group11
前往频道在 Telegram
The main purpose of this channel is to: 1. Print various Maths questions. 2. Publishing various books. 3. Print various short notes. Share it with your friends! Hirriyyoota keessaniif share godha!
显示更多5 109
订阅者
-424 小时
-107 天
-7430 天
帖子存档
5 109
A catalyst increases the reaction rates by changing the reaction mechanism.
5 109
The reactions in which oxidation and reduction do not occur and such types of reactions are known as ___________.
5 109
When 20g of sulphur dioxide reacts with oxygen, 23 g of sulphur trioxide is formed. What is the percentage yield?
5 109
How many liters of sulphur trioxide are formed when 4800 cm³ of sulphur dioxide is burned in air?
5 109
How many moles of CaO are needed to react with excess water to produce 370 g of calcium hydroxide?
5 109
Consider the following chemical equation:
PCl₅ + H₂O ------>H₃PO₄ + HCl.
Then what is the coefficient of HCl after balancing of chemical equation?
5 109
What is the magnetic field strength when a current of 6A flows in a wire 3m long and produces a force of 36N ?
5 109
If matrix A is a 3 × 3 matrix and its 1st row elements are identical with 3rd row elements. Then matrix A is:
5 109
Let A be a 3 × 3 triangular matrix and its diagonal elements are 1, 4, and 2. Then which one of the following is not true about its determinate?
5 109
Change into passive voice:
He helps me every day.
Write your answer under the comment!
5 109
Of 100 staff members of a school, 48 drink coffee, 25 drink both tea and coffee and everyone drinks either coffee or tea. How many stuff members drink tea?
5 109
Of 100 students, 65 are members of mathematics club and 40 are members of a physics club. If 10 are members of neither club, then how many students are members of both clubs?
