Question
What is the chemical name of the Laughing
Gas?Solution
Nitrous oxide, commonly known as laughing gas or nitrous,is a chemical compound, an oxide of nitrogen. At room temperature, it is a colourless non-flammable gas, with a slight metallic scent and taste. It has significant medical uses, especially in surgery and dentistry, for its anaesthetic and pain reducing effects.Â
I). p2 - 20p + 51 = 0,
II). 2q2 - 7q + 6 = 0
I. 2x2 - 9 x + 9 = 0Â
II. 2y2 - 7 y + 3 = 0
I. x2 – 19x + 88 = 0
II. (y + 4)2 = 121
If α, β are the roots of the equation x² – px + q = 0, then the value of α2+β2+2αβ isÂ
...I. 104x² + 9x - 35 = 0
II. 72y² - 85y + 25 = 0
I. 6 y² + 11 y – 7= 0
II. 21 x² + 5 x – 6 = 0
Equation 1: x² - 220x + 12100 = 0
Equation 2: y² - 210y + 11025 = 0
I. 6x2 - 47x + 77 =0
II. 6y2 - 35y + 49 = 0
I. y² - 7 y – 18 = 0
II. x² + 10 x + 16 = 0
I. 10x² - 11x + 3 = 0
II. 42y² - 23y – 10 = 0
Relevant for Exams:
