Questions

Lime water becomes white due to which gas?

Which of the following statements are CORRECT?

I. Esters are sweet smelling substance.
II Esters are used in making perfumes.
III. Functional group of ester is R-O-RꞋ.

Plants of which group are predominantly aquatic?

Group 8A of the periodic table contains the

With regard to water transportation in India, which of the following statements are correct?

1.Headquarters of Central Inland Water Transport Corporation is located at Delhi.

2.Headquarters of Inland Waterways Authority of India is located at Noida.

3.National Inland Navigation Institute is located at Kolkata.

4.First National Inland Waterway was between Haldia and Allahabad.

Select the correct answer using the code given below.

What is the cause of thrashing? How does the system detect thrashing? Once it detects thrashing, what can the system do to eliminate this problem?

Which of the following is based on the principle of nuclear fusion?

Consider the following constituent gases of the atmosphere :

1. Argon

2. Neon

3. Helium

4.Ceirbon dioxide

Which one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?