Q. Helium gas is used in gas balloons instead of hydrogen gas because it is
No solution found for this question.
Add Solution and get +2 points.
You must be Logged in to update hint/solution
Q. The metal does not give H2 on treatment with dilute HCL is
Q. A yellow element that stinks when burned
Q. The most commonly used chemicals in the artificial rainmaking or cloud seeding are
Q. Main pollutant present in automobile exhaust is
Q. Diesel oil is preferred for heavy motor vehicles because of
Q. Which of the following shows the masses of the three elementary particles in decreasing order?
Q. Which of the most reactive metal?
Q. Gas released during Bhopal tragedy was:
Discusssion
Login to discuss.