Questions

Acid rain is caused by release of ___ and___ into the air.

Which is the first metallic element in the Modern Periodic Table?

Except Helium, all noble gases have how many electrons in the outermost shell?

The gas evolved when sodium carbonate reacts with hydrochloric acid is

Match the characteristics with their market structure:
(a) Expand out put until MC = MR
(b) Elasticity of demand depends on pricing policies of rivals

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Everybody knows(1)/ that Bhutan is the most peaceful(2)/ of all other countries of the world.(3)/ No Error(4)

Which of the following increase the risk of developing osteoporosis?

Radish is an example of