A.Nitrogen
B.Oxygen
C.Chlorine
D.Hydrogen
Related Mcqs:
- In a volume of air near the earth’s surface, _____________ occupies 78 percent and ____________ nearly 21 percent.
- When a saturated sodium chloride solution is electrolysed using graphic anode and steel cathode the products are
- Stanley Miller in his classical experiment on formation of amino acids passed an electric discharge in the mixture of:
- The two major consitituents of the sun are
- Which are the four most abundant elements in living cells ??
- Biogas is composed of __________?
- Miller synthesized simple amino acids from:
- The molecules of living matter that provide building blocks are mostly based on:?
- The most abundant gases in the earth’s atmosphere by volume are ____________.
- which of the following gas discovered by Scheele??
