Chemistry Questions

By volume, 78% of air is _______________

What was the element used in traditional thermometers which is highly toxic in nature?

_____ is produced from incomplete burning of fuels such as petrol and diesel.

Which type of Ethanol is made from sources like molasses, sugarcane, sugar beet, sorghum and edible oil seeds?

Aluminium oxide is ___ in nature.

Number of Sigma and Pi bonds in benzene, respectively is

Which of the following constitutes highest percentage of Green House gases?

The process of reducing the milk fat globules size to allow them to stay evenly distributed in milk is called ____.