Fertilization Membrane Is Formed To
Fertilization membrane refers to a specialized membrane formed on the inner surface of the vitelline membrane of the ovum after... View Article
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Metallic Magnesium Is Prepared By______
Metallic magnesium is prepared either by electrolysis of molten MgCl_{2} or by metallothermic reduction of its halides by alkali or... View Article
Which Of The Following Is Not A Buffer Solution ? A) (Hcl/Nacl) B) (Nh4Oh/Nh4Cl) C) (Hcooh/Hcoona) D) (Ch3Cooh/Ch3Coona)
The correct answer is (A) HCl and NaCl. Buffer is an equimolar mixture of weak acid and salt with a... View Article
Gold Sol Can Be Prepared By______
The gold solution can be prepared by reducing gold (III) chloride with the formalin solution. Here is the balanced equation... View Article
Which Of The Following Are Paramagnetic In Nature? (A) O2 (B) O2+(C)O2−(D) All of These
The correct answer is (D) All of these. Paramagnetism refers to the magnetic state of an atom with one or... View Article
Consider The Reversible Isothermal Expansion Of An Ideal Gas In
\(\begin{array}{l} w = -nRT ln\frac{V_{2}}{V_{1}} \end{array} \) \(\begin{array}{l} w = -nRT ln\frac{V_{b}}{V_{i}} \end{array} \) \(\begin{array}{l} \left | w... View Article
The successor of a number 10000. What is the number?
The number is 10000 – 1 = 9999.
A regular polygon with 4 sides is called
A square is the regular polygon of 4 sides.
Find out the third proportional to 16 and 36.
Let the third proportional to 16 and 36 be x. 16 : 36 :: 36 : x ⇒ 16 ×... View Article
Check whether 7+3x is a factor of 3x³+7x.
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
The ratio of 25 minutes to 1 hour is
Ratio = 25 / 60 = 5 / 12 = 5 : 12
5+5+5=550. Solve it.
Remove one of the + signs 545 + 5 = 550. Add a line on the top left side of... View Article
Formulae for alpha square plus beta square
α2 + β2 = (α + β)2 – 2αβ
Represent -7/5 on the number line.
The representation -7/5 on the number line is given below.
The angles in a linear pair are _______.
The angles in a linear pair are supplementary.
Is log 2 rational or irrational? Justify your answer.
Let log10 2 = x 10x = 21 2 cannot be expressed as 10x for any value of x. Hence,... View Article
Find the value of cosec ( -1410 degree).
cosec (- 1410) = – cosec (1410) = – cosec (1440 – 30) = – cosec (4 * 360 –... View Article
Find a rational number between 1 / 4 and 1 / 2.
Making the denominators the same, (1 / 4) = (1 / 4) (1 / 2) * (2 / 2) =... View Article
What are the slope of the x-axis and y-axis?
The x‐axis or a line parallel to the x‐axis has a slope of zero. The y‐axis or a line parallel... View Article
Determine k so that k + 2, 4k – 6 and 3k – 2 are three consecutive terms of A.P.
k + 2, 4k – 6 and 3k – 2 are the consecutive terms of A.P, By the arithmetic mean... View Article
