What Is The Primary And Secondary Valence Of PtCl2. 2NH3?
PtCl2. 2NH3 does not have any primary valency and has 4 secondary valencies. Primary valency is the number of ions... View Article
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The Upward Conduction Of Water From Roots Is Carried Out By(A) Bark. (B) Xylem. (C) Phloem. (D) Cambium
The correct answer is (B) Xylem. Xylem transports water in one direction. It transports water only in an upward direction.... View Article
The Radcliffe Line Was Drawn Between ______ And ______.(A)Pakistan, Nepal. (B)Pakistan, India. (C)Pakistan, China. (D)India, Myanmar (Burma).
The correct answer is (B)Pakistan, India. Radcliffe Line was the boundary demarcation line between the Indian and Pakistani portions of... View Article
In The Given Question Select The Related Number From The Given Alternatives 83: 9:: 146:______/.
Sol: \(\begin{array}{l}(9)^{2} = 81 \end{array} \) 81 + 2 = 83 Similarly; \(\begin{array}{l}(12)^{2} = 144\end{array} \) 144 + 2 =... View Article
What is the standard enthalpy of formation of NH3 gas?
The given chemical equation is \(\begin{array}{l}N_{2}(g) + 3H_{2}(g)\rightarrow 2NH_{3}(g): \Delta rH^{\Theta }= – 92.4 kJ mol^{-1}\end{array} \) When one mole... View Article
Find The Next Number In The Given Sequence: 17, 21, 37, 73, 137, 237, …
As per the above-given number sequence: 17, 21, 37, 73, 137, 237, …the next number is 381. By adding (2)2,... View Article
Describe The Main Features Of Mendeleev’s Periodic Table
Dmitri Mendeleev is often referred to as the Father of the Periodic Table. The main features of Mendeleev’s periodic table... View Article
Equation(s) or the straight line(s), inclined at 30 to the x−axis such that the length of its (each of their) line segment(s) between the coordinate axes is 10 units is/are
Let the equation be y = (1 / √3) x + c the line cut the axes at A (-... View Article
What are the last two digits of 72008?
The given expression is 72008.\(\begin{array}{l}7^{1}=7 \\ 7^{2}=49 \\ 7^{3}=343 \\ 7^{4}=2401 \\ 7^{5}=16807 \\ 7^{6}=117649\end{array} \)In the above pattern, the... View Article
Find the mode of the data: 27, 23, 39, 18, 27, 21, 27, 27, 40, 36, 27.
Arranging the given numbers in ascending order: 18, 21, 23, 27, 27, 27, 27, 27, 36, 39, 40.27 occurs a... View Article
In winter, the temperatures at a hill station from Monday to Friday are in A.P. The sum of the temperatures from Monday to Wednesday is 0, while the sum of the temperatures on Thursday and Friday is 15. Find the temperatures on each of the weekdays.
Let the temperatures of hill station from Monday to Friday which form are A.P. be a – 2d, a –... View Article
What happens to the value of a fraction if the denominator of the fraction is decreased while the numerator is kept unchanged?
The value of a fraction increases when the denominator of the fraction is decreased while the numerator is kept unchanged.
PQ is a chord of the parabola which subtends a right angle at vertex. Then locus of the centroid of triangle PSQ, where S is the focus of a given parabola, is
OP is perpendicular to OQ and O is the origin.\(\begin{array}{l}\text \ Slope \ of \ \mathrm{OP}=\frac{\mathrm{t}_{1}^{2}}{2 t_{1}}=\frac{\mathrm{t}_{1}}{2}\\ \text \ Slope... View Article
Convert the following as instructed. 360 seconds into minutes.
1 minute = 60 seconds360 seconds = 360 / 60= 6 minutes
Convert the following mixed fraction into improper fraction 1 (2 / 7).
To convert 1 (2 / 7) mixed fraction into an improper fraction.1 (2 / 7) = {[7 * 1] +... View Article
The value of √99 * √396 is
The given expression is √99 * √396.\(\begin{array}{l}\sqrt{99} \times \sqrt{396}=\sqrt{99 \times 396} \\ =\sqrt{3 \times 3 \times 11 \times 3 \times... View Article
Priya’s Father weighs 70 kg. Her Mother weighs 14 kg less than her Father. What is her Mother’s weight? Priya’s Mother is twice as heavy as Priya. What is Priya’s weight?
Priya’s Father weighs 70 kg. —– (1)Her Mother weighs 14 kg less than her Father.Priya’s Mothers weight = Priya’s Fathers... View Article
Convert the following percentages to fractions and ratios. (i) 25% (ii) 2.5% (iii) 0.25% (iv) 0.3% (v) 125%
(i) 25% 25 / 100 = 1 / 4 or 1:4 (ii) 2.5% 2.5% = 25 / 10 (25 /... View Article
If the height and the base area of a right circular cone are 5cm and 48 sq.cm respectively, then the volume of the cone is equal to
h = 5 cmBase area = 48 cm2\(\begin{array}{l}\pi r^{2}=48 \Rightarrow r=3.9 \mathrm{~cm}\\ \text {Volume of the cone}=\frac{1}{3} \pi r^{2} h\\... View Article
The equation sin x + sin y + sin z = – 3 for 0 ≤ x ≤ 2π, 0 ≤ y ≤ 2π, 0 ≤ z ≤ 2π, has
The given equation is sin x + sin y + sin z = – 3, 0 ≤ x ≤ 2π,... View Article
