Which of the following gases is known as "Laughing Gas"?
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Which Indian territory was formerly known as 'Black Water' before Independence?
Kala Ghoda Arts festival is held in which city?
Among plants, three different genera Solanum, Petunia and Datura are placed in which family?
If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?
P, Q, R, S and T are standing in a line. P is taller than S but shorter than Q. T is shorter than S but taller than R. Who is the second tallest of them all?
Dynamite was invented by?
Which eminent Hindi writer was chosen for the Vyas Samman 2017 for her work Dukham Sukham ?