Which gas was discovered on the sun about 151 years ago during total solar eclipse?

Related Mcqs:

____________ have no charge?

A. Neutrons B. Protons C. Electrons D. None of These...

Fine organic or inorganic particles suspended in air is called _______________?

A. particulate pollutant B. gaseous pollutant C. aerosol D. none of these...

In Essential thrombocythemia (ET) condition, bone marrow makes?

A. Too few platelets B. Normal platelets C. Too many platelets D. Does not effect...

Sea water (Salt water) freezes at ?

A: Same temperature as fresh water. B: Slightly higher temperatures than fresh water. C: Slightly higher temperature than fresh water. D: Sea water does not freeze...

Which of the following noble gases is abundant in air?

A. Neon B. Helium C. Argon D. Methane...