Which gas is used for the production of manure?

Name the gas which released by man during expiration?

In which state kayatharu is located?

Identify the property of gas?

Two inflated balloons hanged at both ends of stick and stick is balanced with indicates air has ______

Choose the equipment that work by air pressure?

People who dive into deep sea will carry a cylinder, what does it contain?

The gas used for respiration of living things is ______

Among the following which is an inert gas?

Which gas is released by plants during night?