Question
What is the chemical name of laughing
gas?Solution
Nitrous oxide (N2O) is called “laughing gas” because it has a euphoric effect when inhaled. It has a mildly sweet odor and taste. N2O was first synthesized by J. Priestley in 1772.
More Previous Year Paper Questions
If x - √(3y) =19 Then find the slope in angle?
Find the maximum value of 14 sin A + 24 cos A.
Find the value of sin 30°.
- If sin(A + B) = √3/2 and cos(A + 2B) = 0, where 0° < A, B < 90°, then find the value of tan(2A).
If 2ycosθ = x sinθ and 2xsecθ – ycosecθ = 3, then x 2 + 4y 2 = ?
If asinx +b cosx = c then find the value of acosx - bsinx =?
- Find the maximum value of (11sin A + 60cos A).
If (cos A - sin A) = √2 cos (90° - A), then find the value of cot A.
What is the simplified value of the given expression?
2(sin² 15° + sin² 75°) + 4sin 30° - (2sec 60° + cot 45°)
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