Q. What gases are involved in ozone depletion ?

View solution

Q. Nonisothermal vortex shedding based on:

View solution

Q. Nitric oxide gas reacts with ozone molecule to form

View solution

Q. Earth is encircled in a layer of air, known as

View solution

Q. Without ozone layer all terrestrial animals will be

View solution

Q. Freon 12 belongs to group known as

View solution

Q. Exposure to ultraviolet rays can cause:

View solution

Q. 'ozone' layer from high flying jet is much lower than

View solution

Q. Which chemical was used for cleaming equipements?

View solution

Q. What does a single chlorine free radical destroy ?

View solution

Q. Land and water dwelling plants, may suffer from

View solution

Q. What is involved in ozone depletion ?

View solution

Q. Greatest decline, being observed over America and Argentina, ranges from 5% to

View solution

Q. When ultraviolet radiations strike ozone, it causes them to

View solution

Q. How much stratospheric ozone layer's concentration extending above earth ?

View solution

Q. Troposphere contains 10% of atmospheric

View solution

Q. Antarctic ozone hole was caused by

View solution

Q. HCFCs can be broken down in lower atmosphere, before ascending into the

View solution

Q. According to scientists, CFCs are supposed to last for more than 100 years, in the

View solution

Q. What screens out 99% of harmful rays of sunlight?

View solution