[Linear pair: The two adjacent angles are said to form a linear pair of angles if their non–common arms are two opposite rays and sum of... View Article
For m grams of gas ... (2) On dividing equation (2) by (1), we get, On further calculation, we get, On substituting the values, we get, =... View Article
On heating, Ammonium dichromate undergoes decomposition resulting in the formation of chromium(III) oxide and nitrogen gas. (NH4)2Cr2O7(s) →... View Article
v = (432 x 1000) / (60 x 60) m/sec v = 120 m/sec Distance PQ = v x 20 PQ = 120 x 20 PQ = 2400 m In â–³PAC tan 600 = h/AC ⇒ AC = h/√3 In... View Article
Chromatography is a technique based on adsorption and then dispersion of solute. Hence, the correct option is (a) Learn more: Chromatography... View Article
Binary fission is a form of asexual reproduction in which an organism divides into two, each part carrying one copy of genetic material.”... View Article
Answer is 'does not change' Potential energy is the product of height, mass and gravity. Hence height is a factor in determining potential... View Article
Biuret test is the characteristic test for the amide linkage. We know that it is present is urea, polypeptides and proteins. Since, carbohydrates... View Article
The three differences between direct current and alternating current are as follows: Alternating current 1. AC is safe to transfer longer... View Article
Similar figures are two figures having the same shape. The objects which are of exactly the same shape and size are known as congruent objects.... View Article
Internal resistance of the cell r, is given by r = R [(l1/l2) - 1] r = R [(l1 - l2)/ l2] r = 2 [(240 - 120)/120] On calculating further, we... View Article
Let x be the digit at tens place and y be the digit at units place Then, x + y = 12 ..... (1) Required number = (10x + y) Number obtained on... View Article
Given Two rational numbers -5/6 and 5/8 Making denominators same -5/6 x 4/4 = -20/24 5/8 x 3/3 = 15/24 Hence, Ten rational numbers between... View Article
Given PQ = 5 cm PR + QR = 25 cm Now, let us assume, QR = x PR = 25 - QR PR = 25 - x As per the Pythagoras theorem PR2 = PQ2 + QR2 Substitute the... View Article
Scattering The sunlight that reaches the earth’s atmosphere is scattered in all directions by the gases and dust particles present in the... View Article