Ca
2. Let s denote the semi-perimeter of a triangle ABC in which BC = a, CA = b, AB = c. If a circle touches the sides BC, CA, AB at D, E, F, respectively, prove that BD = s – b.
05
Jul
2. Let s denote the semi-perimeter of a triangle ABC in which BC = a, CA = b, AB = c. If a circle touches the sides BC, CA, AB at D, E, F, respectively, prove that BD = s – b. -e 2. Let s denote the semi-perimeter of a triangle ABC in which [...]
Which one of the following is an example of non-typical transition elements (a) Li, K , Na (b) Be, Al, Pb (c) Zn, Cd, Hg (d) Ba, Ca, Sr
30
Nov
Which one of the following is an example of non-typical transition elements (a) Li, K , Na (b) Be, Al, Pb (c) Zn, Cd, Hg (d) Ba, Ca, Sr AL Ca CD Hg (d) Ba K Na (b) Be Pb (c) Zn Sr Which one of the following is an example of non-typical transition elements [...]
How many of the following s-block elements do not give characteristic colours in the flame test Li, Be, Ca, Sr, Mg, Na, K, Ba
29
Nov
How many of the following s-block elements do not give characteristic colours in the flame test Li, Be, Ca, Sr, Mg, Na, K, Ba Ba Be Ca How many of the following s-block elements do not give characteristic colours in the flame test Li K Mg Na Sr November 29, 2020 Category: Uncategorised (JEE Advanced [...]
If the points A (1, – 2), B (2, 3), C(a, 2) and D(- 4, – 3) form a parallelogram, then find the value of a and height of the parallelogram taking AB as base.
23
Nov
If the points A (1, – 2), B (2, 3), C(a, 2) and D(- 4, – 3) form a parallelogram, then find the value of a and height of the parallelogram taking AB as base. – 3) form a parallelogram 2 2) and D(- 4 3% b=–2 Ca If the points A (1 then find [...]
The alkaline earth metals Ba, Sr, Ca and Mg may be arranged in the order of their decreasing first ionisation potential as (a) Mg, Ca, Sr, Ba,
15
Nov
The alkaline earth metals Ba, Sr, Ca and Mg may be arranged in the order of their decreasing first ionisation potential as (a) Mg, Ca, Sr, Ba, Ba Ca Ca and Mg may be arranged in the order of their decreasing first ionisation potential as (a) Mg Sr The alkaline earth metals Ba November 15, [...]
Among K, Ca, Fe, and Zn, the element which can form more than one binary compound with chlorine is (a) K (b) Ca (c) Fe (d) Zn
15
Nov
Among K, Ca, Fe, and Zn, the element which can form more than one binary compound with chlorine is (a) K (b) Ca (c) Fe (d) Zn Among K and Zn Ca Fe the element which can form more than one binary compound with chlorine is (a) K (b) Ca (c) Fe (d) Zn November [...]
K, Ca and Li metals may be arranged in the decreasing order of their standard electrode potentials as (a) K, Ca, Li (b) Li, K, Ca (c) Li, Ca, K
13
Nov
K, Ca and Li metals may be arranged in the decreasing order of their standard electrode potentials as (a) K, Ca, Li (b) Li, K, Ca (c) Li, Ca, K Ca Ca (c) Li Ca and Li metals may be arranged in the decreasing order of their standard electrode potentials as (a) K K Li [...]