General science questions – Test 12

What does airbag, used for safety of car driver, contain?

The weight of an object will be minimum when it is placed at

The uranium fuel used worldwide is mainly in the form of

The time taken by the Sun to revolve around the center of our galaxy is

Consider the following:
1. Photosynthesis
2. Respiration
3. Decay of organic matter
4. Volcanic action
Which of the above add carbon dioxide to the carbon cycle on Earth?

Chemically, lime water is

Chlorination is a process used for water purification. The disinfecting action of chlorine is mainly due to

Chemically, bleaching powder is

Consider the following statements:
1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes.
2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.
Which of the statements given above is/are correct?

Consider the following statements:
1. Hepatitis B is several times more infectious than HIV / AIDS.
2. Hepatitis B can cause liver cancer.
Which of the statement given above is/are correct?