The rms speed of oxygen molecule in a vessel at particular temperature is where v is the average speed of the molecule. The value of x will be:
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50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
JEE Main 2026 correction window opens tomorrow; NTA allows exam city change
Faridabad: 17-year-old girl preparing for JEE Main 2026 dies by suicide
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