Interested to Buy Any Domain ? << Click Here >> for more details...
Which of the following gases is lighter than air?
1 Carbon dioxide
2 Oxygen
3 Ammonia
4 Chlorine
- 5 Answers
- 16208 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / vijay
Air is mainly Nitrogen which is having molecular wt. 28.
Ammonia only has M.W. less than this (17). So this one is
lighter than air
| Is This Answer Correct ? | 22 Yes | 2 No |
Answer / francis ekop
Co2 is lighter than air because it's has de less molecules in the atmosphere
| Is This Answer Correct ? | 2 Yes | 1 No |
The group of metals Fe, Co, Ni may be best called as 1 Alkali metals 2 Rare metals 3 Main group metals 4 Transition metals
The percentage of carbon is the least in 1 Grey cast iron 2 Wrought iron 3 White cast iron 4 Steel
which country is known as thunderbolt in the world
On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.
What is the zoology ?
Which was the international geo - physical year?
Which of the following was to be discovered first in the chromo sphere of the sun? 1 Xenon 2 Helium 3 Neon 4 Krypton
The Purest form of water can be obtained from:- I) a deep tube well II) a running stream III) a hot water spring IV) a heavy shower of rain
Which of the following is a chemical change? 1 Rusting of iron 2 Tempering of iron 3 Melting of iron 4 Bending of iron
‘No two electrons in an atom can have the same set of four quantum numbers’ is 1 Bohr’s law 2 Aufbau principle 3 Newton’s law 4 Pauli’s exclusion principle
which of the following fibers is generally preferred for making gauze and lint? 1 Cotton 2 Rayon 3 Nylon 4 Terylene
The gas that usually causes explosions in coal mines is 1 Hydrogen 2 Carbon monoxide 3 Air 4 Methane
Biological Sciences 
